89172850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 72

約数和(自身を含む): 183600972

約数和(自身を除く): 94428122

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 122, 130, 169, 173, 305, 325, 338, 346, 610, 650, 793, 845, 865, 1525, 1586, 1690, 1730, 2249, 3050, 3965, 4225, 4325, 4498, 7930, 8450, 8650, 10309, 10553, 11245, 19825, 20618, 21106, 22490, 29237, 39650, 51545, 52765, 56225, 58474, 103090, 105530, 112450, 137189, 146185, 257725, 263825, 274378, 292370, 515450, 527650, 685945, 730925, 1371890, 1461850, 1783457, 3429725, 3566914, 6859450, 8917285, 17834570, 44586425, 89172850]

約数ペア:

[(1, 89172850), (2, 44586425), (5, 17834570), (10, 8917285), (13, 6859450), (25, 3566914), (26, 3429725), (50, 1783457), (61, 1461850), (65, 1371890), (122, 730925), (130, 685945), (169, 527650), (173, 515450), (305, 292370), (325, 274378), (338, 263825), (346, 257725), (610, 146185), (650, 137189), (793, 112450), (845, 105530), (865, 103090), (1525, 58474), (1586, 56225), (1690, 52765), (1730, 51545), (2249, 39650), (3050, 29237), (3965, 22490), (4225, 21106), (4325, 20618), (4498, 19825), (7930, 11245), (8450, 10553), (8650, 10309)]