326702980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{6329}}^1$

素因数の和:6456

約数の個数: 48

約数和(自身を含む): 717822000

約数和(自身を除く): 391119020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 356, 445, 580, 890, 1780, 2581, 5162, 6329, 10324, 12658, 12905, 25316, 25810, 31645, 51620, 63290, 126580, 183541, 367082, 563281, 734164, 917705, 1126562, 1835410, 2253124, 2816405, 3670820, 5632810, 11265620, 16335149, 32670298, 65340596, 81675745, 163351490, 326702980]

約数ペア:

[(1, 326702980), (2, 163351490), (4, 81675745), (5, 65340596), (10, 32670298), (20, 16335149), (29, 11265620), (58, 5632810), (89, 3670820), (116, 2816405), (145, 2253124), (178, 1835410), (290, 1126562), (356, 917705), (445, 734164), (580, 563281), (890, 367082), (1780, 183541), (2581, 126580), (5162, 63290), (6329, 51620), (10324, 31645), (12658, 25810), (12905, 25316)]