70245420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23893}}^1$

素因数の和:23919

約数の個数: 72

約数和(自身を含む): 228808944

約数和(自身を除く): 158563524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 23893, 47786, 71679, 95572, 119465, 143358, 167251, 238930, 286716, 334502, 358395, 477860, 501753, 669004, 716790, 836255, 1003506, 1170757, 1433580, 1672510, 2007012, 2341514, 2508765, 3345020, 3512271, 4683028, 5017530, 5853785, 7024542, 10035060, 11707570, 14049084, 17561355, 23415140, 35122710, 70245420]

約数ペア:

[(1, 70245420), (2, 35122710), (3, 23415140), (4, 17561355), (5, 14049084), (6, 11707570), (7, 10035060), (10, 7024542), (12, 5853785), (14, 5017530), (15, 4683028), (20, 3512271), (21, 3345020), (28, 2508765), (30, 2341514), (35, 2007012), (42, 1672510), (49, 1433580), (60, 1170757), (70, 1003506), (84, 836255), (98, 716790), (105, 669004), (140, 501753), (147, 477860), (196, 358395), (210, 334502), (245, 286716), (294, 238930), (420, 167251), (490, 143358), (588, 119465), (735, 95572), (980, 71679), (1470, 47786), (2940, 23893)]