243669560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{148579}}^1$

素因数の和:148631

約数の個数: 32

約数和(自身を含む): 561632400

約数和(自身を除く): 317962840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 148579, 297158, 594316, 742895, 1188632, 1485790, 2971580, 5943160, 6091739, 12183478, 24366956, 30458695, 48733912, 60917390, 121834780, 243669560]

約数ペア:

[(1, 243669560), (2, 121834780), (4, 60917390), (5, 48733912), (8, 30458695), (10, 24366956), (20, 12183478), (40, 6091739), (41, 5943160), (82, 2971580), (164, 1485790), (205, 1188632), (328, 742895), (410, 594316), (820, 297158), (1640, 148579)]