155116840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{228113}}^1$

素因数の和:228141

約数の個数: 32

約数和(自身を含む): 369544680

約数和(自身を除く): 214427840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 228113, 456226, 912452, 1140565, 1824904, 2281130, 3877921, 4562260, 7755842, 9124520, 15511684, 19389605, 31023368, 38779210, 77558420, 155116840]

約数ペア:

[(1, 155116840), (2, 77558420), (4, 38779210), (5, 31023368), (8, 19389605), (10, 15511684), (17, 9124520), (20, 7755842), (34, 4562260), (40, 3877921), (68, 2281130), (85, 1824904), (136, 1140565), (170, 912452), (340, 456226), (680, 228113)]