319473520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{234907}}^1$

素因数の和:234937

約数の個数: 40

約数和(自身を含む): 786471984

約数和(自身を除く): 466998464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 234907, 469814, 939628, 1174535, 1879256, 2349070, 3758512, 3993419, 4698140, 7986838, 9396280, 15973676, 18792560, 19967095, 31947352, 39934190, 63894704, 79868380, 159736760, 319473520]

約数ペア:

[(1, 319473520), (2, 159736760), (4, 79868380), (5, 63894704), (8, 39934190), (10, 31947352), (16, 19967095), (17, 18792560), (20, 15973676), (34, 9396280), (40, 7986838), (68, 4698140), (80, 3993419), (85, 3758512), (136, 2349070), (170, 1879256), (272, 1174535), (340, 939628), (680, 469814), (1360, 234907)]