523999140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{178231}}^1$

素因数の和:178257

約数の個数: 72

約数和(自身を含む): 1706749632

約数和(自身を除く): 1182750492

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, 178231, 356462, 534693, 712924, 891155, 1069386, 1247617, 1782310, 2138772, 2495234, 2673465, 3564620, 3742851, 4990468, 5346930, 6238085, 7485702, 8733319, 10693860, 12476170, 14971404, 17466638, 18714255, 24952340, 26199957, 34933276, 37428510, 43666595, 52399914, 74857020, 87333190, 104799828, 130999785, 174666380, 261999570, 523999140]

約数ペア:

[(1, 523999140), (2, 261999570), (3, 174666380), (4, 130999785), (5, 104799828), (6, 87333190), (7, 74857020), (10, 52399914), (12, 43666595), (14, 37428510), (15, 34933276), (20, 26199957), (21, 24952340), (28, 18714255), (30, 17466638), (35, 14971404), (42, 12476170), (49, 10693860), (60, 8733319), (70, 7485702), (84, 6238085), (98, 5346930), (105, 4990468), (140, 3742851), (147, 3564620), (196, 2673465), (210, 2495234), (245, 2138772), (294, 1782310), (420, 1247617), (490, 1069386), (588, 891155), (735, 712924), (980, 534693), (1470, 356462), (2940, 178231)]