9515140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 20966400

約数和(自身を除く): 11451260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 149, 155, 206, 298, 310, 412, 515, 596, 620, 745, 1030, 1490, 2060, 2980, 3193, 4619, 6386, 9238, 12772, 15347, 15965, 18476, 23095, 30694, 31930, 46190, 61388, 63860, 76735, 92380, 153470, 306940, 475757, 951514, 1903028, 2378785, 4757570, 9515140]

約数ペア:

[(1, 9515140), (2, 4757570), (4, 2378785), (5, 1903028), (10, 951514), (20, 475757), (31, 306940), (62, 153470), (103, 92380), (124, 76735), (149, 63860), (155, 61388), (206, 46190), (298, 31930), (310, 30694), (412, 23095), (515, 18476), (596, 15965), (620, 15347), (745, 12772), (1030, 9238), (1490, 6386), (2060, 4619), (2980, 3193)]