77420590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:845

約数の個数: 48

約数和(自身を含む): 153579456

約数和(自身を除く): 76158866

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 169, 305, 338, 610, 751, 793, 845, 1502, 1586, 1690, 3755, 3965, 7510, 7930, 9763, 10309, 19526, 20618, 45811, 48815, 51545, 91622, 97630, 103090, 126919, 229055, 253838, 458110, 595543, 634595, 1191086, 1269190, 2977715, 5955430, 7742059, 15484118, 38710295, 77420590]

約数ペア:

[(1, 77420590), (2, 38710295), (5, 15484118), (10, 7742059), (13, 5955430), (26, 2977715), (61, 1269190), (65, 1191086), (122, 634595), (130, 595543), (169, 458110), (305, 253838), (338, 229055), (610, 126919), (751, 103090), (793, 97630), (845, 91622), (1502, 51545), (1586, 48815), (1690, 45811), (3755, 20618), (3965, 19526), (7510, 10309), (7930, 9763)]