125988980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2801}}^1$

素因数の和:2996

約数の個数: 48

約数和(自身を含む): 286678224

約数和(自身を除く): 160689244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 692, 865, 1730, 2249, 2801, 3460, 4498, 5602, 8996, 11204, 11245, 14005, 22490, 28010, 36413, 44980, 56020, 72826, 145652, 182065, 364130, 484573, 728260, 969146, 1938292, 2422865, 4845730, 6299449, 9691460, 12598898, 25197796, 31497245, 62994490, 125988980]

約数ペア:

[(1, 125988980), (2, 62994490), (4, 31497245), (5, 25197796), (10, 12598898), (13, 9691460), (20, 6299449), (26, 4845730), (52, 2422865), (65, 1938292), (130, 969146), (173, 728260), (260, 484573), (346, 364130), (692, 182065), (865, 145652), (1730, 72826), (2249, 56020), (2801, 44980), (3460, 36413), (4498, 28010), (5602, 22490), (8996, 14005), (11204, 11245)]