7152940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 15805440

約数和(自身を除く): 8652500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 139, 155, 166, 278, 310, 332, 415, 556, 620, 695, 830, 1390, 1660, 2573, 2780, 4309, 5146, 8618, 10292, 11537, 12865, 17236, 21545, 23074, 25730, 43090, 46148, 51460, 57685, 86180, 115370, 230740, 357647, 715294, 1430588, 1788235, 3576470, 7152940]

約数ペア:

[(1, 7152940), (2, 3576470), (4, 1788235), (5, 1430588), (10, 715294), (20, 357647), (31, 230740), (62, 115370), (83, 86180), (124, 57685), (139, 51460), (155, 46148), (166, 43090), (278, 25730), (310, 23074), (332, 21545), (415, 17236), (556, 12865), (620, 11537), (695, 10292), (830, 8618), (1390, 5146), (1660, 4309), (2573, 2780)]