76421380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2689}}^1$

素因数の和:2741

約数の個数: 72

約数和(自身を含む): 193195800

約数和(自身を除く): 116774420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2689, 2842, 4060, 5378, 5684, 7105, 10756, 13445, 14210, 18823, 26890, 28420, 37646, 53780, 75292, 77981, 94115, 131761, 155962, 188230, 263522, 311924, 376460, 389905, 527044, 545867, 658805, 779810, 1091734, 1317610, 1559620, 2183468, 2635220, 2729335, 3821069, 5458670, 7642138, 10917340, 15284276, 19105345, 38210690, 76421380]

約数ペア:

[(1, 76421380), (2, 38210690), (4, 19105345), (5, 15284276), (7, 10917340), (10, 7642138), (14, 5458670), (20, 3821069), (28, 2729335), (29, 2635220), (35, 2183468), (49, 1559620), (58, 1317610), (70, 1091734), (98, 779810), (116, 658805), (140, 545867), (145, 527044), (196, 389905), (203, 376460), (245, 311924), (290, 263522), (406, 188230), (490, 155962), (580, 131761), (812, 94115), (980, 77981), (1015, 75292), (1421, 53780), (2030, 37646), (2689, 28420), (2842, 26890), (4060, 18823), (5378, 14210), (5684, 13445), (7105, 10756)]