2982140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 7756560

約数和(自身を除く): 4774420

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 179, 196, 238, 245, 340, 358, 476, 490, 595, 716, 833, 895, 980, 1190, 1253, 1666, 1790, 2380, 2506, 3043, 3332, 3580, 4165, 5012, 6086, 6265, 8330, 8771, 12172, 12530, 15215, 16660, 17542, 21301, 25060, 30430, 35084, 42602, 43855, 60860, 85204, 87710, 106505, 149107, 175420, 213010, 298214, 426020, 596428, 745535, 1491070, 2982140]

約数ペア:

[(1, 2982140), (2, 1491070), (4, 745535), (5, 596428), (7, 426020), (10, 298214), (14, 213010), (17, 175420), (20, 149107), (28, 106505), (34, 87710), (35, 85204), (49, 60860), (68, 43855), (70, 42602), (85, 35084), (98, 30430), (119, 25060), (140, 21301), (170, 17542), (179, 16660), (196, 15215), (238, 12530), (245, 12172), (340, 8771), (358, 8330), (476, 6265), (490, 6086), (595, 5012), (716, 4165), (833, 3580), (895, 3332), (980, 3043), (1190, 2506), (1253, 2380), (1666, 1790)]