400293840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{571}}^1$

素因数の和:737

約数の個数: 160

約数和(自身を含む): 1307344896

約数和(自身を除く): 907051056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 127, 138, 184, 230, 240, 254, 276, 345, 368, 381, 460, 508, 552, 571, 635, 690, 762, 920, 1016, 1104, 1142, 1270, 1380, 1524, 1713, 1840, 1905, 2032, 2284, 2540, 2760, 2855, 2921, 3048, 3426, 3810, 4568, 5080, 5520, 5710, 5842, 6096, 6852, 7620, 8565, 8763, 9136, 10160, 11420, 11684, 13133, 13704, 14605, 15240, 17130, 17526, 22840, 23368, 26266, 27408, 29210, 30480, 34260, 35052, 39399, 43815, 45680, 46736, 52532, 58420, 65665, 68520, 70104, 72517, 78798, 87630, 105064, 116840, 131330, 137040, 140208, 145034, 157596, 175260, 196995, 210128, 217551, 233680, 262660, 290068, 315192, 350520, 362585, 393990, 435102, 525320, 580136, 630384, 701040, 725170, 787980, 870204, 1050640, 1087755, 1160272, 1450340, 1575960, 1667891, 1740408, 2175510, 2900680, 3151920, 3335782, 3480816, 4351020, 5003673, 5801360, 6671564, 8339455, 8702040, 10007346, 13343128, 16678910, 17404080, 20014692, 25018365, 26686256, 33357820, 40029384, 50036730, 66715640, 80058768, 100073460, 133431280, 200146920, 400293840]

約数ペア:

[(1, 400293840), (2, 200146920), (3, 133431280), (4, 100073460), (5, 80058768), (6, 66715640), (8, 50036730), (10, 40029384), (12, 33357820), (15, 26686256), (16, 25018365), (20, 20014692), (23, 17404080), (24, 16678910), (30, 13343128), (40, 10007346), (46, 8702040), (48, 8339455), (60, 6671564), (69, 5801360), (80, 5003673), (92, 4351020), (115, 3480816), (120, 3335782), (127, 3151920), (138, 2900680), (184, 2175510), (230, 1740408), (240, 1667891), (254, 1575960), (276, 1450340), (345, 1160272), (368, 1087755), (381, 1050640), (460, 870204), (508, 787980), (552, 725170), (571, 701040), (635, 630384), (690, 580136), (762, 525320), (920, 435102), (1016, 393990), (1104, 362585), (1142, 350520), (1270, 315192), (1380, 290068), (1524, 262660), (1713, 233680), (1840, 217551), (1905, 210128), (2032, 196995), (2284, 175260), (2540, 157596), (2760, 145034), (2855, 140208), (2921, 137040), (3048, 131330), (3426, 116840), (3810, 105064), (4568, 87630), (5080, 78798), (5520, 72517), (5710, 70104), (5842, 68520), (6096, 65665), (6852, 58420), (7620, 52532), (8565, 46736), (8763, 45680), (9136, 43815), (10160, 39399), (11420, 35052), (11684, 34260), (13133, 30480), (13704, 29210), (14605, 27408), (15240, 26266), (17130, 23368), (17526, 22840)]