385280480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9749}}^1$

素因数の和:9796

約数の個数: 96

約数和(自身を含む): 1031940000

約数和(自身を除く): 646659520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1520, 1976, 2080, 2470, 3040, 3952, 4940, 7904, 9749, 9880, 19498, 19760, 38996, 39520, 48745, 77992, 97490, 126737, 155984, 185231, 194980, 253474, 311968, 370462, 389960, 506948, 633685, 740924, 779920, 926155, 1013896, 1267370, 1481848, 1559840, 1852310, 2027792, 2408003, 2534740, 2963696, 3704620, 4055584, 4816006, 5069480, 5927392, 7409240, 9632012, 10138960, 12040015, 14818480, 19264024, 20277920, 24080030, 29636960, 38528048, 48160060, 77056096, 96320120, 192640240, 385280480]

約数ペア:

[(1, 385280480), (2, 192640240), (4, 96320120), (5, 77056096), (8, 48160060), (10, 38528048), (13, 29636960), (16, 24080030), (19, 20277920), (20, 19264024), (26, 14818480), (32, 12040015), (38, 10138960), (40, 9632012), (52, 7409240), (65, 5927392), (76, 5069480), (80, 4816006), (95, 4055584), (104, 3704620), (130, 2963696), (152, 2534740), (160, 2408003), (190, 2027792), (208, 1852310), (247, 1559840), (260, 1481848), (304, 1267370), (380, 1013896), (416, 926155), (494, 779920), (520, 740924), (608, 633685), (760, 506948), (988, 389960), (1040, 370462), (1235, 311968), (1520, 253474), (1976, 194980), (2080, 185231), (2470, 155984), (3040, 126737), (3952, 97490), (4940, 77992), (7904, 48745), (9749, 39520), (9880, 38996), (19498, 19760)]