331344280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{28663}}^1$

素因数の和:28708

約数の個数: 48

約数和(自身を含む): 791986320

約数和(自身を除く): 460642040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 11560, 28663, 57326, 114652, 143315, 229304, 286630, 487271, 573260, 974542, 1146520, 1949084, 2436355, 3898168, 4872710, 8283607, 9745420, 16567214, 19490840, 33134428, 41418035, 66268856, 82836070, 165672140, 331344280]

約数ペア:

[(1, 331344280), (2, 165672140), (4, 82836070), (5, 66268856), (8, 41418035), (10, 33134428), (17, 19490840), (20, 16567214), (34, 9745420), (40, 8283607), (68, 4872710), (85, 3898168), (136, 2436355), (170, 1949084), (289, 1146520), (340, 974542), (578, 573260), (680, 487271), (1156, 286630), (1445, 229304), (2312, 143315), (2890, 114652), (5780, 57326), (11560, 28663)]