331380640

素因数分解:

$2^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{7477}}^1$

素因数の和:7769

約数の個数: 48

約数和(自身を含む): 785818152

約数和(自身を除く): 454437512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 277, 554, 1108, 1385, 2216, 2770, 4432, 5540, 7477, 8864, 11080, 14954, 22160, 29908, 37385, 44320, 59816, 74770, 119632, 149540, 239264, 299080, 598160, 1196320, 2071129, 4142258, 8284516, 10355645, 16569032, 20711290, 33138064, 41422580, 66276128, 82845160, 165690320, 331380640]

約数ペア:

[(1, 331380640), (2, 165690320), (4, 82845160), (5, 66276128), (8, 41422580), (10, 33138064), (16, 20711290), (20, 16569032), (32, 10355645), (40, 8284516), (80, 4142258), (160, 2071129), (277, 1196320), (554, 598160), (1108, 299080), (1385, 239264), (2216, 149540), (2770, 119632), (4432, 74770), (5540, 59816), (7477, 44320), (8864, 37385), (11080, 29908), (14954, 22160)]