979699120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{720367}}^1$

素因数の和:720397

約数の個数: 40

約数和(自身を含む): 2411792064

約数和(自身を除く): 1432092944

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 720367, 1440734, 2881468, 3601835, 5762936, 7203670, 11525872, 12246239, 14407340, 24492478, 28814680, 48984956, 57629360, 61231195, 97969912, 122462390, 195939824, 244924780, 489849560, 979699120]

約数ペア:

[(1, 979699120), (2, 489849560), (4, 244924780), (5, 195939824), (8, 122462390), (10, 97969912), (16, 61231195), (17, 57629360), (20, 48984956), (34, 28814680), (40, 24492478), (68, 14407340), (80, 12246239), (85, 11525872), (136, 7203670), (170, 5762936), (272, 3601835), (340, 2881468), (680, 1440734), (1360, 720367)]