70735420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{811}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 174953520

約数和(自身を除く): 104218100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 811, 890, 980, 1246, 1622, 1780, 2492, 3115, 3244, 4055, 4361, 5677, 6230, 8110, 8722, 11354, 12460, 16220, 17444, 21805, 22708, 28385, 39739, 43610, 56770, 72179, 79478, 87220, 113540, 144358, 158956, 198695, 288716, 360895, 397390, 505253, 721790, 794780, 1010506, 1443580, 2021012, 2526265, 3536771, 5052530, 7073542, 10105060, 14147084, 17683855, 35367710, 70735420]

約数ペア:

[(1, 70735420), (2, 35367710), (4, 17683855), (5, 14147084), (7, 10105060), (10, 7073542), (14, 5052530), (20, 3536771), (28, 2526265), (35, 2021012), (49, 1443580), (70, 1010506), (89, 794780), (98, 721790), (140, 505253), (178, 397390), (196, 360895), (245, 288716), (356, 198695), (445, 158956), (490, 144358), (623, 113540), (811, 87220), (890, 79478), (980, 72179), (1246, 56770), (1622, 43610), (1780, 39739), (2492, 28385), (3115, 22708), (3244, 21805), (4055, 17444), (4361, 16220), (5677, 12460), (6230, 11354), (8110, 8722)]