289193120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{106321}}^1$

素因数の和:106353

約数の個数: 48

約数和(自身を含む): 723414888

約数和(自身を除く): 434221768

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 106321, 212642, 425284, 531605, 850568, 1063210, 1701136, 1807457, 2126420, 3402272, 3614914, 4252840, 7229828, 8505680, 9037285, 14459656, 17011360, 18074570, 28919312, 36149140, 57838624, 72298280, 144596560, 289193120]

約数ペア:

[(1, 289193120), (2, 144596560), (4, 72298280), (5, 57838624), (8, 36149140), (10, 28919312), (16, 18074570), (17, 17011360), (20, 14459656), (32, 9037285), (34, 8505680), (40, 7229828), (68, 4252840), (80, 3614914), (85, 3402272), (136, 2126420), (160, 1807457), (170, 1701136), (272, 1063210), (340, 850568), (544, 531605), (680, 425284), (1360, 212642), (2720, 106321)]