621917660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:284

約数の個数: 192

約数和(自身を含む): 1693138944

約数和(自身を除く): 1071221284

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 73, 91, 124, 130, 140, 146, 151, 155, 182, 217, 260, 292, 302, 310, 364, 365, 403, 434, 455, 511, 604, 620, 730, 755, 806, 868, 910, 949, 1022, 1057, 1085, 1460, 1510, 1612, 1820, 1898, 1963, 2015, 2044, 2114, 2170, 2263, 2555, 2821, 3020, 3796, 3926, 4030, 4228, 4340, 4526, 4681, 4745, 5110, 5285, 5642, 6643, 7852, 8060, 9052, 9362, 9490, 9815, 10220, 10570, 11023, 11284, 11315, 13286, 13741, 14105, 15841, 18724, 18980, 19630, 21140, 22046, 22630, 23405, 26572, 27482, 28210, 29419, 31682, 32767, 33215, 39260, 44092, 45260, 46810, 54964, 55115, 56420, 58838, 60853, 63364, 65534, 66430, 68705, 77161, 79205, 93620, 110230, 117676, 121706, 131068, 132860, 137410, 143299, 147095, 154322, 158410, 163835, 205933, 220460, 243412, 274820, 286598, 294190, 304265, 308644, 316820, 327670, 341713, 385805, 411866, 425971, 573196, 588380, 608530, 655340, 683426, 716495, 771610, 823732, 851942, 1003093, 1029665, 1217060, 1366852, 1432990, 1543220, 1703884, 1708565, 2006186, 2059330, 2129855, 2391991, 2865980, 3417130, 4012372, 4118660, 4259710, 4442269, 4783982, 5015465, 6834260, 8519420, 8884538, 9567964, 10030930, 11959955, 17769076, 20061860, 22211345, 23919910, 31095883, 44422690, 47839820, 62191766, 88845380, 124383532, 155479415, 310958830, 621917660]

約数ペア:

[(1, 621917660), (2, 310958830), (4, 155479415), (5, 124383532), (7, 88845380), (10, 62191766), (13, 47839820), (14, 44422690), (20, 31095883), (26, 23919910), (28, 22211345), (31, 20061860), (35, 17769076), (52, 11959955), (62, 10030930), (65, 9567964), (70, 8884538), (73, 8519420), (91, 6834260), (124, 5015465), (130, 4783982), (140, 4442269), (146, 4259710), (151, 4118660), (155, 4012372), (182, 3417130), (217, 2865980), (260, 2391991), (292, 2129855), (302, 2059330), (310, 2006186), (364, 1708565), (365, 1703884), (403, 1543220), (434, 1432990), (455, 1366852), (511, 1217060), (604, 1029665), (620, 1003093), (730, 851942), (755, 823732), (806, 771610), (868, 716495), (910, 683426), (949, 655340), (1022, 608530), (1057, 588380), (1085, 573196), (1460, 425971), (1510, 411866), (1612, 385805), (1820, 341713), (1898, 327670), (1963, 316820), (2015, 308644), (2044, 304265), (2114, 294190), (2170, 286598), (2263, 274820), (2555, 243412), (2821, 220460), (3020, 205933), (3796, 163835), (3926, 158410), (4030, 154322), (4228, 147095), (4340, 143299), (4526, 137410), (4681, 132860), (4745, 131068), (5110, 121706), (5285, 117676), (5642, 110230), (6643, 93620), (7852, 79205), (8060, 77161), (9052, 68705), (9362, 66430), (9490, 65534), (9815, 63364), (10220, 60853), (10570, 58838), (11023, 56420), (11284, 55115), (11315, 54964), (13286, 46810), (13741, 45260), (14105, 44092), (15841, 39260), (18724, 33215), (18980, 32767), (19630, 31682), (21140, 29419), (22046, 28210), (22630, 27482), (23405, 26572)]