7228580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 15966720

約数和(自身を除く): 8738140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 131, 155, 178, 262, 310, 356, 445, 524, 620, 655, 890, 1310, 1780, 2620, 2759, 4061, 5518, 8122, 11036, 11659, 13795, 16244, 20305, 23318, 27590, 40610, 46636, 55180, 58295, 81220, 116590, 233180, 361429, 722858, 1445716, 1807145, 3614290, 7228580]

約数ペア:

[(1, 7228580), (2, 3614290), (4, 1807145), (5, 1445716), (10, 722858), (20, 361429), (31, 233180), (62, 116590), (89, 81220), (124, 58295), (131, 55180), (155, 46636), (178, 40610), (262, 27590), (310, 23318), (356, 20305), (445, 16244), (524, 13795), (620, 11659), (655, 11036), (890, 8122), (1310, 5518), (1780, 4061), (2620, 2759)]