31506100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 74245248

約数和(自身を除く): 42739148

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 43, 50, 68, 85, 86, 100, 170, 172, 215, 340, 425, 430, 431, 731, 850, 860, 862, 1075, 1462, 1700, 1724, 2150, 2155, 2924, 3655, 4300, 4310, 7310, 7327, 8620, 10775, 14620, 14654, 18275, 18533, 21550, 29308, 36550, 36635, 37066, 43100, 73100, 73270, 74132, 92665, 146540, 183175, 185330, 315061, 366350, 370660, 463325, 630122, 732700, 926650, 1260244, 1575305, 1853300, 3150610, 6301220, 7876525, 15753050, 31506100]

約数ペア:

[(1, 31506100), (2, 15753050), (4, 7876525), (5, 6301220), (10, 3150610), (17, 1853300), (20, 1575305), (25, 1260244), (34, 926650), (43, 732700), (50, 630122), (68, 463325), (85, 370660), (86, 366350), (100, 315061), (170, 185330), (172, 183175), (215, 146540), (340, 92665), (425, 74132), (430, 73270), (431, 73100), (731, 43100), (850, 37066), (860, 36635), (862, 36550), (1075, 29308), (1462, 21550), (1700, 18533), (1724, 18275), (2150, 14654), (2155, 14620), (2924, 10775), (3655, 8620), (4300, 7327), (4310, 7310)]