70868920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1171}}^1$

素因数の和:1288

約数の個数: 64

約数和(自身を含む): 170877600

約数和(自身を除く): 100008680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 445, 680, 712, 890, 1171, 1513, 1780, 2342, 3026, 3560, 4684, 5855, 6052, 7565, 9368, 11710, 12104, 15130, 19907, 23420, 30260, 39814, 46840, 60520, 79628, 99535, 104219, 159256, 199070, 208438, 398140, 416876, 521095, 796280, 833752, 1042190, 1771723, 2084380, 3543446, 4168760, 7086892, 8858615, 14173784, 17717230, 35434460, 70868920]

約数ペア:

[(1, 70868920), (2, 35434460), (4, 17717230), (5, 14173784), (8, 8858615), (10, 7086892), (17, 4168760), (20, 3543446), (34, 2084380), (40, 1771723), (68, 1042190), (85, 833752), (89, 796280), (136, 521095), (170, 416876), (178, 398140), (340, 208438), (356, 199070), (445, 159256), (680, 104219), (712, 99535), (890, 79628), (1171, 60520), (1513, 46840), (1780, 39814), (2342, 30260), (3026, 23420), (3560, 19907), (4684, 15130), (5855, 12104), (6052, 11710), (7565, 9368)]