220403180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{4283}}^1$

素因数の和:4406

約数の個数: 48

約数和(自身を含む): 483646464

約数和(自身を除く): 263243284

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 620, 830, 1660, 2573, 4283, 5146, 8566, 10292, 12865, 17132, 21415, 25730, 42830, 51460, 85660, 132773, 265546, 355489, 531092, 663865, 710978, 1327730, 1421956, 1777445, 2655460, 3554890, 7109780, 11020159, 22040318, 44080636, 55100795, 110201590, 220403180]

約数ペア:

[(1, 220403180), (2, 110201590), (4, 55100795), (5, 44080636), (10, 22040318), (20, 11020159), (31, 7109780), (62, 3554890), (83, 2655460), (124, 1777445), (155, 1421956), (166, 1327730), (310, 710978), (332, 663865), (415, 531092), (620, 355489), (830, 265546), (1660, 132773), (2573, 85660), (4283, 51460), (5146, 42830), (8566, 25730), (10292, 21415), (12865, 17132)]