2872660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 7426944

約数和(自身を除く): 4554284

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 71, 85, 119, 140, 142, 170, 238, 284, 289, 340, 355, 476, 497, 578, 595, 710, 994, 1156, 1190, 1207, 1420, 1445, 1988, 2023, 2380, 2414, 2485, 2890, 4046, 4828, 4970, 5780, 6035, 8092, 8449, 9940, 10115, 12070, 16898, 20230, 20519, 24140, 33796, 40460, 41038, 42245, 82076, 84490, 102595, 143633, 168980, 205190, 287266, 410380, 574532, 718165, 1436330, 2872660]

約数ペア:

[(1, 2872660), (2, 1436330), (4, 718165), (5, 574532), (7, 410380), (10, 287266), (14, 205190), (17, 168980), (20, 143633), (28, 102595), (34, 84490), (35, 82076), (68, 42245), (70, 41038), (71, 40460), (85, 33796), (119, 24140), (140, 20519), (142, 20230), (170, 16898), (238, 12070), (284, 10115), (289, 9940), (340, 8449), (355, 8092), (476, 6035), (497, 5780), (578, 4970), (595, 4828), (710, 4046), (994, 2890), (1156, 2485), (1190, 2414), (1207, 2380), (1420, 2023), (1445, 1988)]