149331320

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{41947}}^1$

素因数の和:42047

約数の個数: 32

約数和(自身を含む): 339778800

約数和(自身を除く): 190447480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 41947, 83894, 167788, 209735, 335576, 419470, 838940, 1677880, 3733283, 7466566, 14933132, 18666415, 29866264, 37332830, 74665660, 149331320]

約数ペア:

[(1, 149331320), (2, 74665660), (4, 37332830), (5, 29866264), (8, 18666415), (10, 14933132), (20, 7466566), (40, 3733283), (89, 1677880), (178, 838940), (356, 419470), (445, 335576), (712, 209735), (890, 167788), (1780, 83894), (3560, 41947)]