393439840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 192

約数和(自身を含む): 1084285440

約数和(自身を除く): 690845600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 23, 32, 34, 38, 40, 46, 68, 76, 80, 85, 92, 95, 115, 136, 152, 160, 170, 184, 190, 230, 272, 304, 323, 331, 340, 368, 380, 391, 437, 460, 544, 608, 646, 662, 680, 736, 760, 782, 874, 920, 1292, 1324, 1360, 1520, 1564, 1615, 1655, 1748, 1840, 1955, 2185, 2584, 2648, 2720, 3040, 3128, 3230, 3310, 3496, 3680, 3910, 4370, 5168, 5296, 5627, 6256, 6289, 6460, 6620, 6992, 7429, 7613, 7820, 8740, 10336, 10592, 11254, 12512, 12578, 12920, 13240, 13984, 14858, 15226, 15640, 17480, 22508, 25156, 25840, 26480, 28135, 29716, 30452, 31280, 31445, 34960, 37145, 38065, 45016, 50312, 51680, 52960, 56270, 59432, 60904, 62560, 62890, 69920, 74290, 76130, 90032, 100624, 106913, 112540, 118864, 121808, 125780, 129421, 144647, 148580, 152260, 180064, 201248, 213826, 225080, 237728, 243616, 251560, 258842, 289294, 297160, 304520, 427652, 450160, 503120, 517684, 534565, 578588, 594320, 609040, 647105, 723235, 855304, 900320, 1006240, 1035368, 1069130, 1157176, 1188640, 1218080, 1294210, 1446470, 1710608, 2070736, 2138260, 2314352, 2458999, 2588420, 2892940, 3421216, 4141472, 4276520, 4628704, 4917998, 5176840, 5785880, 8553040, 9835996, 10353680, 11571760, 12294995, 17106080, 19671992, 20707360, 23143520, 24589990, 39343984, 49179980, 78687968, 98359960, 196719920, 393439840]

約数ペア:

[(1, 393439840), (2, 196719920), (4, 98359960), (5, 78687968), (8, 49179980), (10, 39343984), (16, 24589990), (17, 23143520), (19, 20707360), (20, 19671992), (23, 17106080), (32, 12294995), (34, 11571760), (38, 10353680), (40, 9835996), (46, 8553040), (68, 5785880), (76, 5176840), (80, 4917998), (85, 4628704), (92, 4276520), (95, 4141472), (115, 3421216), (136, 2892940), (152, 2588420), (160, 2458999), (170, 2314352), (184, 2138260), (190, 2070736), (230, 1710608), (272, 1446470), (304, 1294210), (323, 1218080), (331, 1188640), (340, 1157176), (368, 1069130), (380, 1035368), (391, 1006240), (437, 900320), (460, 855304), (544, 723235), (608, 647105), (646, 609040), (662, 594320), (680, 578588), (736, 534565), (760, 517684), (782, 503120), (874, 450160), (920, 427652), (1292, 304520), (1324, 297160), (1360, 289294), (1520, 258842), (1564, 251560), (1615, 243616), (1655, 237728), (1748, 225080), (1840, 213826), (1955, 201248), (2185, 180064), (2584, 152260), (2648, 148580), (2720, 144647), (3040, 129421), (3128, 125780), (3230, 121808), (3310, 118864), (3496, 112540), (3680, 106913), (3910, 100624), (4370, 90032), (5168, 76130), (5296, 74290), (5627, 69920), (6256, 62890), (6289, 62560), (6460, 60904), (6620, 59432), (6992, 56270), (7429, 52960), (7613, 51680), (7820, 50312), (8740, 45016), (10336, 38065), (10592, 37145), (11254, 34960), (12512, 31445), (12578, 31280), (12920, 30452), (13240, 29716), (13984, 28135), (14858, 26480), (15226, 25840), (15640, 25156), (17480, 22508)]