399805140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30707}}^1$

素因数の和:30757

約数の個数: 96

約数和(自身を含む): 1320689664

約数和(自身を除く): 920884524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 13020, 30707, 61414, 92121, 122828, 153535, 184242, 214949, 307070, 368484, 429898, 460605, 614140, 644847, 859796, 921210, 951917, 1074745, 1289694, 1842420, 1903834, 2149490, 2579388, 2855751, 3224235, 3807668, 4298980, 4759585, 5711502, 6448470, 6663419, 9519170, 11423004, 12896940, 13326838, 14278755, 19038340, 19990257, 26653676, 28557510, 33317095, 39980514, 57115020, 66634190, 79961028, 99951285, 133268380, 199902570, 399805140]

約数ペア:

[(1, 399805140), (2, 199902570), (3, 133268380), (4, 99951285), (5, 79961028), (6, 66634190), (7, 57115020), (10, 39980514), (12, 33317095), (14, 28557510), (15, 26653676), (20, 19990257), (21, 19038340), (28, 14278755), (30, 13326838), (31, 12896940), (35, 11423004), (42, 9519170), (60, 6663419), (62, 6448470), (70, 5711502), (84, 4759585), (93, 4298980), (105, 3807668), (124, 3224235), (140, 2855751), (155, 2579388), (186, 2149490), (210, 1903834), (217, 1842420), (310, 1289694), (372, 1074745), (420, 951917), (434, 921210), (465, 859796), (620, 644847), (651, 614140), (868, 460605), (930, 429898), (1085, 368484), (1302, 307070), (1860, 214949), (2170, 184242), (2604, 153535), (3255, 122828), (4340, 92121), (6510, 61414), (13020, 30707)]