144637240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{328721}}^1$

素因数の和:328743

約数の個数: 32

約数和(自身を含む): 355019760

約数和(自身を除く): 210382520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 328721, 657442, 1314884, 1643605, 2629768, 3287210, 3615931, 6574420, 7231862, 13148840, 14463724, 18079655, 28927448, 36159310, 72318620, 144637240]

約数ペア:

[(1, 144637240), (2, 72318620), (4, 36159310), (5, 28927448), (8, 18079655), (10, 14463724), (11, 13148840), (20, 7231862), (22, 6574420), (40, 3615931), (44, 3287210), (55, 2629768), (88, 1643605), (110, 1314884), (220, 657442), (440, 328721)]