18849142480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{474073}}^1$

素因数の和:474164

約数の個数: 80

約数和(自身を含む): 50790392064

約数和(自身を除く): 31941249584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4970, 5680, 7952, 9940, 19880, 39760, 474073, 948146, 1896292, 2370365, 3318511, 3792584, 4740730, 6637022, 7585168, 9481460, 13274044, 16592555, 18962920, 26548088, 33185110, 33659183, 37925840, 53096176, 66370220, 67318366, 132740440, 134636732, 168295915, 235614281, 265480880, 269273464, 336591830, 471228562, 538546928, 673183660, 942457124, 1178071405, 1346367320, 1884914248, 2356142810, 2692734640, 3769828496, 4712285620, 9424571240, 18849142480]

約数ペア:

[(1, 18849142480), (2, 9424571240), (4, 4712285620), (5, 3769828496), (7, 2692734640), (8, 2356142810), (10, 1884914248), (14, 1346367320), (16, 1178071405), (20, 942457124), (28, 673183660), (35, 538546928), (40, 471228562), (56, 336591830), (70, 269273464), (71, 265480880), (80, 235614281), (112, 168295915), (140, 134636732), (142, 132740440), (280, 67318366), (284, 66370220), (355, 53096176), (497, 37925840), (560, 33659183), (568, 33185110), (710, 26548088), (994, 18962920), (1136, 16592555), (1420, 13274044), (1988, 9481460), (2485, 7585168), (2840, 6637022), (3976, 4740730), (4970, 3792584), (5680, 3318511), (7952, 2370365), (9940, 1896292), (19880, 948146), (39760, 474073)]