2486366980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{937}}^1\times {\mathrm{6983}}^1$

素因数の和:7948

約数の個数: 48

約数和(自身を含む): 5502833280

約数和(自身を除く): 3016466300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 937, 1874, 3748, 4685, 6983, 9370, 13966, 17803, 18740, 27932, 34915, 35606, 69830, 71212, 89015, 132677, 139660, 178030, 265354, 356060, 530708, 663385, 1326770, 2653540, 6543071, 13086142, 26172284, 32715355, 65430710, 124318349, 130861420, 248636698, 497273396, 621591745, 1243183490, 2486366980]

約数ペア:

[(1, 2486366980), (2, 1243183490), (4, 621591745), (5, 497273396), (10, 248636698), (19, 130861420), (20, 124318349), (38, 65430710), (76, 32715355), (95, 26172284), (190, 13086142), (380, 6543071), (937, 2653540), (1874, 1326770), (3748, 663385), (4685, 530708), (6983, 356060), (9370, 265354), (13966, 178030), (17803, 139660), (18740, 132677), (27932, 89015), (34915, 71212), (35606, 69830)]