68640220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{18353}}^1$

素因数の和:18390

約数の個数: 48

約数和(自身を含む): 166507488

約数和(自身を除く): 97867268

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 18353, 36706, 73412, 91765, 183530, 201883, 312001, 367060, 403766, 624002, 807532, 1009415, 1248004, 1560005, 2018830, 3120010, 3432011, 4037660, 6240020, 6864022, 13728044, 17160055, 34320110, 68640220]

約数ペア:

[(1, 68640220), (2, 34320110), (4, 17160055), (5, 13728044), (10, 6864022), (11, 6240020), (17, 4037660), (20, 3432011), (22, 3120010), (34, 2018830), (44, 1560005), (55, 1248004), (68, 1009415), (85, 807532), (110, 624002), (170, 403766), (187, 367060), (220, 312001), (340, 201883), (374, 183530), (748, 91765), (935, 73412), (1870, 36706), (3740, 18353)]