100118980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1559}}^1$

素因数の和:1613

約数の個数: 72

約数和(自身を含む): 239803200

約数和(自身を除く): 139684220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 494, 676, 845, 988, 1235, 1559, 1690, 2470, 3118, 3211, 3380, 4940, 6236, 6422, 7795, 12844, 15590, 16055, 20267, 29621, 31180, 32110, 40534, 59242, 64220, 81068, 101335, 118484, 148105, 202670, 263471, 296210, 385073, 405340, 526942, 592420, 770146, 1053884, 1317355, 1540292, 1925365, 2634710, 3850730, 5005949, 5269420, 7701460, 10011898, 20023796, 25029745, 50059490, 100118980]

約数ペア:

[(1, 100118980), (2, 50059490), (4, 25029745), (5, 20023796), (10, 10011898), (13, 7701460), (19, 5269420), (20, 5005949), (26, 3850730), (38, 2634710), (52, 1925365), (65, 1540292), (76, 1317355), (95, 1053884), (130, 770146), (169, 592420), (190, 526942), (247, 405340), (260, 385073), (338, 296210), (380, 263471), (494, 202670), (676, 148105), (845, 118484), (988, 101335), (1235, 81068), (1559, 64220), (1690, 59242), (2470, 40534), (3118, 32110), (3211, 31180), (3380, 29621), (4940, 20267), (6236, 16055), (6422, 15590), (7795, 12844)]