71888920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1588

約数の個数: 64

約数和(自身を含む): 173793600

約数和(自身を除く): 101904680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 568, 680, 710, 1207, 1420, 1489, 2414, 2840, 2978, 4828, 5956, 6035, 7445, 9656, 11912, 12070, 14890, 24140, 25313, 29780, 48280, 50626, 59560, 101252, 105719, 126565, 202504, 211438, 253130, 422876, 506260, 528595, 845752, 1012520, 1057190, 1797223, 2114380, 3594446, 4228760, 7188892, 8986115, 14377784, 17972230, 35944460, 71888920]

約数ペア:

[(1, 71888920), (2, 35944460), (4, 17972230), (5, 14377784), (8, 8986115), (10, 7188892), (17, 4228760), (20, 3594446), (34, 2114380), (40, 1797223), (68, 1057190), (71, 1012520), (85, 845752), (136, 528595), (142, 506260), (170, 422876), (284, 253130), (340, 211438), (355, 202504), (568, 126565), (680, 105719), (710, 101252), (1207, 59560), (1420, 50626), (1489, 48280), (2414, 29780), (2840, 25313), (2978, 24140), (4828, 14890), (5956, 12070), (6035, 11912), (7445, 9656)]