397858440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1052

約数の個数: 192

約数和(自身を含む): 1409477760

約数和(自身を除く): 1011619320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 71, 84, 98, 105, 120, 140, 142, 147, 168, 196, 210, 213, 245, 280, 284, 294, 355, 392, 420, 426, 490, 497, 568, 588, 710, 735, 840, 852, 953, 980, 994, 1065, 1176, 1420, 1470, 1491, 1704, 1906, 1960, 1988, 2130, 2485, 2840, 2859, 2940, 2982, 3479, 3812, 3976, 4260, 4765, 4970, 5718, 5880, 5964, 6671, 6958, 7455, 7624, 8520, 9530, 9940, 10437, 11436, 11928, 13342, 13916, 14295, 14910, 17395, 19060, 19880, 20013, 20874, 22872, 26684, 27832, 28590, 29820, 33355, 34790, 38120, 40026, 41748, 46697, 52185, 53368, 57180, 59640, 66710, 67663, 69580, 80052, 83496, 93394, 100065, 104370, 114360, 133420, 135326, 139160, 140091, 160104, 186788, 200130, 202989, 208740, 233485, 266840, 270652, 280182, 338315, 373576, 400260, 405978, 417480, 466970, 473641, 541304, 560364, 676630, 700455, 800520, 811956, 933940, 947282, 1014945, 1120728, 1353260, 1400910, 1420923, 1623912, 1867880, 1894564, 2029890, 2368205, 2706520, 2801820, 2841846, 3315487, 3789128, 4059780, 4736410, 5603640, 5683692, 6630974, 7104615, 8119560, 9472820, 9946461, 11367384, 13261948, 14209230, 16577435, 18945640, 19892922, 26523896, 28418460, 33154870, 39785844, 49732305, 56836920, 66309740, 79571688, 99464610, 132619480, 198929220, 397858440]

約数ペア:

[(1, 397858440), (2, 198929220), (3, 132619480), (4, 99464610), (5, 79571688), (6, 66309740), (7, 56836920), (8, 49732305), (10, 39785844), (12, 33154870), (14, 28418460), (15, 26523896), (20, 19892922), (21, 18945640), (24, 16577435), (28, 14209230), (30, 13261948), (35, 11367384), (40, 9946461), (42, 9472820), (49, 8119560), (56, 7104615), (60, 6630974), (70, 5683692), (71, 5603640), (84, 4736410), (98, 4059780), (105, 3789128), (120, 3315487), (140, 2841846), (142, 2801820), (147, 2706520), (168, 2368205), (196, 2029890), (210, 1894564), (213, 1867880), (245, 1623912), (280, 1420923), (284, 1400910), (294, 1353260), (355, 1120728), (392, 1014945), (420, 947282), (426, 933940), (490, 811956), (497, 800520), (568, 700455), (588, 676630), (710, 560364), (735, 541304), (840, 473641), (852, 466970), (953, 417480), (980, 405978), (994, 400260), (1065, 373576), (1176, 338315), (1420, 280182), (1470, 270652), (1491, 266840), (1704, 233485), (1906, 208740), (1960, 202989), (1988, 200130), (2130, 186788), (2485, 160104), (2840, 140091), (2859, 139160), (2940, 135326), (2982, 133420), (3479, 114360), (3812, 104370), (3976, 100065), (4260, 93394), (4765, 83496), (4970, 80052), (5718, 69580), (5880, 67663), (5964, 66710), (6671, 59640), (6958, 57180), (7455, 53368), (7624, 52185), (8520, 46697), (9530, 41748), (9940, 40026), (10437, 38120), (11436, 34790), (11928, 33355), (13342, 29820), (13916, 28590), (14295, 27832), (14910, 26684), (17395, 22872), (19060, 20874), (19880, 20013)]