394162520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{7753}}^1$

素因数の和:7836

約数の個数: 64

約数和(自身を含む): 937923840

約数和(自身を除く): 543761320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1640, 2542, 5084, 6355, 7753, 10168, 12710, 15506, 25420, 31012, 38765, 50840, 62024, 77530, 155060, 240343, 310120, 317873, 480686, 635746, 961372, 1201715, 1271492, 1589365, 1922744, 2403430, 2542984, 3178730, 4806860, 6357460, 9613720, 9854063, 12714920, 19708126, 39416252, 49270315, 78832504, 98540630, 197081260, 394162520]

約数ペア:

[(1, 394162520), (2, 197081260), (4, 98540630), (5, 78832504), (8, 49270315), (10, 39416252), (20, 19708126), (31, 12714920), (40, 9854063), (41, 9613720), (62, 6357460), (82, 4806860), (124, 3178730), (155, 2542984), (164, 2403430), (205, 1922744), (248, 1589365), (310, 1271492), (328, 1201715), (410, 961372), (620, 635746), (820, 480686), (1240, 317873), (1271, 310120), (1640, 240343), (2542, 155060), (5084, 77530), (6355, 62024), (7753, 50840), (10168, 38765), (12710, 31012), (15506, 25420)]