406508440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{829}}^1$

素因数の和:917

約数の個数: 128

約数和(自身を含む): 1054166400

約数和(自身を除く): 647657960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 41, 46, 52, 65, 82, 92, 104, 115, 130, 164, 184, 205, 230, 260, 299, 328, 410, 460, 520, 533, 598, 820, 829, 920, 943, 1066, 1196, 1495, 1640, 1658, 1886, 2132, 2392, 2665, 2990, 3316, 3772, 4145, 4264, 4715, 5330, 5980, 6632, 7544, 8290, 9430, 10660, 10777, 11960, 12259, 16580, 18860, 19067, 21320, 21554, 24518, 33160, 33989, 37720, 38134, 43108, 49036, 53885, 61295, 67978, 76268, 86216, 95335, 98072, 107770, 122590, 135956, 152536, 169945, 190670, 215540, 245180, 247871, 271912, 339890, 381340, 431080, 441857, 490360, 495742, 679780, 762680, 781747, 883714, 991484, 1239355, 1359560, 1563494, 1767428, 1982968, 2209285, 2478710, 3126988, 3534856, 3908735, 4418570, 4957420, 6253976, 7817470, 8837140, 9914840, 10162711, 15634940, 17674280, 20325422, 31269880, 40650844, 50813555, 81301688, 101627110, 203254220, 406508440]

約数ペア:

[(1, 406508440), (2, 203254220), (4, 101627110), (5, 81301688), (8, 50813555), (10, 40650844), (13, 31269880), (20, 20325422), (23, 17674280), (26, 15634940), (40, 10162711), (41, 9914840), (46, 8837140), (52, 7817470), (65, 6253976), (82, 4957420), (92, 4418570), (104, 3908735), (115, 3534856), (130, 3126988), (164, 2478710), (184, 2209285), (205, 1982968), (230, 1767428), (260, 1563494), (299, 1359560), (328, 1239355), (410, 991484), (460, 883714), (520, 781747), (533, 762680), (598, 679780), (820, 495742), (829, 490360), (920, 441857), (943, 431080), (1066, 381340), (1196, 339890), (1495, 271912), (1640, 247871), (1658, 245180), (1886, 215540), (2132, 190670), (2392, 169945), (2665, 152536), (2990, 135956), (3316, 122590), (3772, 107770), (4145, 98072), (4264, 95335), (4715, 86216), (5330, 76268), (5980, 67978), (6632, 61295), (7544, 53885), (8290, 49036), (9430, 43108), (10660, 38134), (10777, 37720), (11960, 33989), (12259, 33160), (16580, 24518), (18860, 21554), (19067, 21320)]