406609840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 240

約数和(自身を含む): 1211172480

約数和(自身を除く): 804562640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 79, 80, 91, 98, 101, 104, 112, 130, 140, 158, 182, 196, 202, 208, 245, 260, 280, 316, 364, 392, 395, 404, 455, 490, 505, 520, 553, 560, 632, 637, 707, 728, 784, 790, 808, 910, 980, 1010, 1027, 1040, 1106, 1264, 1274, 1313, 1414, 1456, 1580, 1616, 1820, 1960, 2020, 2054, 2212, 2548, 2626, 2765, 2828, 3160, 3185, 3535, 3640, 3871, 3920, 4040, 4108, 4424, 4949, 5096, 5135, 5252, 5530, 5656, 6320, 6370, 6565, 7070, 7189, 7280, 7742, 7979, 8080, 8216, 8848, 9191, 9898, 10192, 10270, 10504, 11060, 11312, 12740, 13130, 14140, 14378, 15484, 15958, 16432, 18382, 19355, 19796, 20540, 21008, 22120, 24745, 25480, 26260, 28280, 28756, 30968, 31916, 35945, 36764, 38710, 39592, 39895, 41080, 44240, 45955, 49490, 50323, 50960, 52520, 55853, 56560, 57512, 61936, 63832, 64337, 71890, 73528, 77420, 79184, 79790, 82160, 91910, 98980, 100646, 103727, 105040, 111706, 115024, 127664, 128674, 143780, 147056, 154840, 159580, 183820, 197960, 201292, 207454, 223412, 251615, 257348, 279265, 287560, 309680, 319160, 321685, 367640, 390971, 395920, 402584, 414908, 446824, 503230, 514696, 518635, 558530, 575120, 638320, 643370, 726089, 735280, 781942, 805168, 829816, 893648, 1006460, 1029392, 1037270, 1117060, 1286740, 1452178, 1563884, 1659632, 1954855, 2012920, 2074540, 2234120, 2573480, 2904356, 3127768, 3630445, 3909710, 4025840, 4149080, 4468240, 5082623, 5146960, 5808712, 6255536, 7260890, 7819420, 8298160, 10165246, 11617424, 14521780, 15638840, 20330492, 25413115, 29043560, 31277680, 40660984, 50826230, 58087120, 81321968, 101652460, 203304920, 406609840]

約数ペア:

[(1, 406609840), (2, 203304920), (4, 101652460), (5, 81321968), (7, 58087120), (8, 50826230), (10, 40660984), (13, 31277680), (14, 29043560), (16, 25413115), (20, 20330492), (26, 15638840), (28, 14521780), (35, 11617424), (40, 10165246), (49, 8298160), (52, 7819420), (56, 7260890), (65, 6255536), (70, 5808712), (79, 5146960), (80, 5082623), (91, 4468240), (98, 4149080), (101, 4025840), (104, 3909710), (112, 3630445), (130, 3127768), (140, 2904356), (158, 2573480), (182, 2234120), (196, 2074540), (202, 2012920), (208, 1954855), (245, 1659632), (260, 1563884), (280, 1452178), (316, 1286740), (364, 1117060), (392, 1037270), (395, 1029392), (404, 1006460), (455, 893648), (490, 829816), (505, 805168), (520, 781942), (553, 735280), (560, 726089), (632, 643370), (637, 638320), (707, 575120), (728, 558530), (784, 518635), (790, 514696), (808, 503230), (910, 446824), (980, 414908), (1010, 402584), (1027, 395920), (1040, 390971), (1106, 367640), (1264, 321685), (1274, 319160), (1313, 309680), (1414, 287560), (1456, 279265), (1580, 257348), (1616, 251615), (1820, 223412), (1960, 207454), (2020, 201292), (2054, 197960), (2212, 183820), (2548, 159580), (2626, 154840), (2765, 147056), (2828, 143780), (3160, 128674), (3185, 127664), (3535, 115024), (3640, 111706), (3871, 105040), (3920, 103727), (4040, 100646), (4108, 98980), (4424, 91910), (4949, 82160), (5096, 79790), (5135, 79184), (5252, 77420), (5530, 73528), (5656, 71890), (6320, 64337), (6370, 63832), (6565, 61936), (7070, 57512), (7189, 56560), (7280, 55853), (7742, 52520), (7979, 50960), (8080, 50323), (8216, 49490), (8848, 45955), (9191, 44240), (9898, 41080), (10192, 39895), (10270, 39592), (10504, 38710), (11060, 36764), (11312, 35945), (12740, 31916), (13130, 30968), (14140, 28756), (14378, 28280), (15484, 26260), (15958, 25480), (16432, 24745), (18382, 22120), (19355, 21008), (19796, 20540)]