623855820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{2851}}^1$

素因数の和:3391

約数の個数: 96

約数和(自身を含む): 2000871936

約数和(自身を除く): 1377016116

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 521, 1042, 1563, 2084, 2605, 2851, 3126, 3647, 5210, 5702, 6252, 7294, 7815, 8553, 10420, 10941, 11404, 14255, 14588, 15630, 17106, 18235, 19957, 21882, 28510, 31260, 34212, 36470, 39914, 42765, 43764, 54705, 57020, 59871, 72940, 79828, 85530, 99785, 109410, 119742, 171060, 199570, 218820, 239484, 299355, 399140, 598710, 1197420, 1485371, 2970742, 4456113, 5941484, 7426855, 8912226, 10397597, 14853710, 17824452, 20795194, 22280565, 29707420, 31192791, 41590388, 44561130, 51987985, 62385582, 89122260, 103975970, 124771164, 155963955, 207951940, 311927910, 623855820]

約数ペア:

[(1, 623855820), (2, 311927910), (3, 207951940), (4, 155963955), (5, 124771164), (6, 103975970), (7, 89122260), (10, 62385582), (12, 51987985), (14, 44561130), (15, 41590388), (20, 31192791), (21, 29707420), (28, 22280565), (30, 20795194), (35, 17824452), (42, 14853710), (60, 10397597), (70, 8912226), (84, 7426855), (105, 5941484), (140, 4456113), (210, 2970742), (420, 1485371), (521, 1197420), (1042, 598710), (1563, 399140), (2084, 299355), (2605, 239484), (2851, 218820), (3126, 199570), (3647, 171060), (5210, 119742), (5702, 109410), (6252, 99785), (7294, 85530), (7815, 79828), (8553, 72940), (10420, 59871), (10941, 57020), (11404, 54705), (14255, 43764), (14588, 42765), (15630, 39914), (17106, 36470), (18235, 34212), (19957, 31260), (21882, 28510)]