286660780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{4007}}^1$

素因数の和:4103

約数の個数: 72

約数和(自身を含む): 710041248

約数和(自身を除く): 423380468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 730, 980, 1022, 1460, 2044, 2555, 3577, 4007, 5110, 7154, 8014, 10220, 14308, 16028, 17885, 20035, 28049, 35770, 40070, 56098, 71540, 80140, 112196, 140245, 196343, 280490, 292511, 392686, 560980, 585022, 785372, 981715, 1170044, 1462555, 1963430, 2047577, 2925110, 3926860, 4095154, 5850220, 8190308, 10237885, 14333039, 20475770, 28666078, 40951540, 57332156, 71665195, 143330390, 286660780]

約数ペア:

[(1, 286660780), (2, 143330390), (4, 71665195), (5, 57332156), (7, 40951540), (10, 28666078), (14, 20475770), (20, 14333039), (28, 10237885), (35, 8190308), (49, 5850220), (70, 4095154), (73, 3926860), (98, 2925110), (140, 2047577), (146, 1963430), (196, 1462555), (245, 1170044), (292, 981715), (365, 785372), (490, 585022), (511, 560980), (730, 392686), (980, 292511), (1022, 280490), (1460, 196343), (2044, 140245), (2555, 112196), (3577, 80140), (4007, 71540), (5110, 56098), (7154, 40070), (8014, 35770), (10220, 28049), (14308, 20035), (16028, 17885)]