400124760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6709}}^1$

素因数の和:6801

約数の個数: 128

約数和(自身を含む): 1391385600

約数和(自身を除く): 991260840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3976, 4260, 4970, 5964, 6709, 7455, 8520, 9940, 11928, 13418, 14910, 19880, 20127, 26836, 29820, 33545, 40254, 46963, 53672, 59640, 67090, 80508, 93926, 100635, 134180, 140889, 161016, 187852, 201270, 234815, 268360, 281778, 375704, 402540, 469630, 476339, 563556, 704445, 805080, 939260, 952678, 1127112, 1408890, 1429017, 1878520, 1905356, 2381695, 2817780, 2858034, 3334373, 3810712, 4763390, 5635560, 5716068, 6668746, 7145085, 9526780, 10003119, 11432136, 13337492, 14290170, 16671865, 19053560, 20006238, 26674984, 28580340, 33343730, 40012476, 50015595, 57160680, 66687460, 80024952, 100031190, 133374920, 200062380, 400124760]

約数ペア:

[(1, 400124760), (2, 200062380), (3, 133374920), (4, 100031190), (5, 80024952), (6, 66687460), (7, 57160680), (8, 50015595), (10, 40012476), (12, 33343730), (14, 28580340), (15, 26674984), (20, 20006238), (21, 19053560), (24, 16671865), (28, 14290170), (30, 13337492), (35, 11432136), (40, 10003119), (42, 9526780), (56, 7145085), (60, 6668746), (70, 5716068), (71, 5635560), (84, 4763390), (105, 3810712), (120, 3334373), (140, 2858034), (142, 2817780), (168, 2381695), (210, 1905356), (213, 1878520), (280, 1429017), (284, 1408890), (355, 1127112), (420, 952678), (426, 939260), (497, 805080), (568, 704445), (710, 563556), (840, 476339), (852, 469630), (994, 402540), (1065, 375704), (1420, 281778), (1491, 268360), (1704, 234815), (1988, 201270), (2130, 187852), (2485, 161016), (2840, 140889), (2982, 134180), (3976, 100635), (4260, 93926), (4970, 80508), (5964, 67090), (6709, 59640), (7455, 53672), (8520, 46963), (9940, 40254), (11928, 33545), (13418, 29820), (14910, 26836), (19880, 20127)]