49470980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1277}}^1$

素因数の和:1448

約数の個数: 48

約数和(自身を含む): 112719600

約数和(自身を除く): 63248620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 1277, 1490, 1937, 2554, 2980, 3874, 5108, 6385, 7748, 9685, 12770, 16601, 19370, 25540, 33202, 38740, 66404, 83005, 166010, 190273, 332020, 380546, 761092, 951365, 1902730, 2473549, 3805460, 4947098, 9894196, 12367745, 24735490, 49470980]

約数ペア:

[(1, 49470980), (2, 24735490), (4, 12367745), (5, 9894196), (10, 4947098), (13, 3805460), (20, 2473549), (26, 1902730), (52, 951365), (65, 761092), (130, 380546), (149, 332020), (260, 190273), (298, 166010), (596, 83005), (745, 66404), (1277, 38740), (1490, 33202), (1937, 25540), (2554, 19370), (2980, 16601), (3874, 12770), (5108, 9685), (6385, 7748)]