147639980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4493}}^1$

素因数の和:4586

約数の個数: 48

約数和(自身を含む): 326156544

約数和(自身を除く): 178516564

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 620, 1060, 1643, 3286, 4493, 6572, 8215, 8986, 16430, 17972, 22465, 32860, 44930, 89860, 139283, 238129, 278566, 476258, 557132, 696415, 952516, 1190645, 1392830, 2381290, 2785660, 4762580, 7381999, 14763998, 29527996, 36909995, 73819990, 147639980]

約数ペア:

[(1, 147639980), (2, 73819990), (4, 36909995), (5, 29527996), (10, 14763998), (20, 7381999), (31, 4762580), (53, 2785660), (62, 2381290), (106, 1392830), (124, 1190645), (155, 952516), (212, 696415), (265, 557132), (310, 476258), (530, 278566), (620, 238129), (1060, 139283), (1643, 89860), (3286, 44930), (4493, 32860), (6572, 22465), (8215, 17972), (8986, 16430)]