735334220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{2861}}^1$

素因数の和:3122

約数の個数: 48

約数和(自身を含む): 1575153216

約数和(自身を除く): 839818996

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 181, 284, 355, 362, 710, 724, 905, 1420, 1810, 2861, 3620, 5722, 11444, 12851, 14305, 25702, 28610, 51404, 57220, 64255, 128510, 203131, 257020, 406262, 517841, 812524, 1015655, 1035682, 2031310, 2071364, 2589205, 4062620, 5178410, 10356820, 36766711, 73533422, 147066844, 183833555, 367667110, 735334220]

約数ペア:

[(1, 735334220), (2, 367667110), (4, 183833555), (5, 147066844), (10, 73533422), (20, 36766711), (71, 10356820), (142, 5178410), (181, 4062620), (284, 2589205), (355, 2071364), (362, 2031310), (710, 1035682), (724, 1015655), (905, 812524), (1420, 517841), (1810, 406262), (2861, 257020), (3620, 203131), (5722, 128510), (11444, 64255), (12851, 57220), (14305, 51404), (25702, 28610)]