73489970

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1163}}^1$

素因数の和:1330

約数の個数: 32

約数和(自身を含む): 135768960

約数和(自身を除く): 62278990

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 355, 445, 710, 890, 1163, 2326, 5815, 6319, 11630, 12638, 31595, 63190, 82573, 103507, 165146, 207014, 412865, 517535, 825730, 1035070, 7348997, 14697994, 36744985, 73489970]

約数ペア:

[(1, 73489970), (2, 36744985), (5, 14697994), (10, 7348997), (71, 1035070), (89, 825730), (142, 517535), (178, 412865), (355, 207014), (445, 165146), (710, 103507), (890, 82573), (1163, 63190), (2326, 31595), (5815, 12638), (6319, 11630)]