221704820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{28351}}^1$

素因数の和:28400

約数の個数: 48

約数和(自身を含む): 514418688

約数和(自身を除く): 292713868

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 28351, 56702, 113404, 141755, 283510, 481967, 567020, 652073, 963934, 1304146, 1927868, 2409835, 2608292, 3260365, 4819670, 6520730, 9639340, 11085241, 13041460, 22170482, 44340964, 55426205, 110852410, 221704820]

約数ペア:

[(1, 221704820), (2, 110852410), (4, 55426205), (5, 44340964), (10, 22170482), (17, 13041460), (20, 11085241), (23, 9639340), (34, 6520730), (46, 4819670), (68, 3260365), (85, 2608292), (92, 2409835), (115, 1927868), (170, 1304146), (230, 963934), (340, 652073), (391, 567020), (460, 481967), (782, 283510), (1564, 141755), (1955, 113404), (3910, 56702), (7820, 28351)]