145870540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{4423}}^1$

素因数の和:4546

約数の個数: 48

約数和(自身を含む): 327765312

約数和(自身を除く): 181894772

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 485, 970, 1649, 1940, 3298, 4423, 6596, 8245, 8846, 16490, 17692, 22115, 32980, 44230, 75191, 88460, 150382, 300764, 375955, 429031, 751910, 858062, 1503820, 1716124, 2145155, 4290310, 7293527, 8580620, 14587054, 29174108, 36467635, 72935270, 145870540]

約数ペア:

[(1, 145870540), (2, 72935270), (4, 36467635), (5, 29174108), (10, 14587054), (17, 8580620), (20, 7293527), (34, 4290310), (68, 2145155), (85, 1716124), (97, 1503820), (170, 858062), (194, 751910), (340, 429031), (388, 375955), (485, 300764), (970, 150382), (1649, 88460), (1940, 75191), (3298, 44230), (4423, 32980), (6596, 22115), (8245, 17692), (8846, 16490)]