218362940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{997}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 470800512

約数和(自身を除く): 252437572

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 233, 235, 466, 470, 932, 940, 997, 1165, 1994, 2330, 3988, 4660, 4985, 9970, 10951, 19940, 21902, 43804, 46859, 54755, 93718, 109510, 187436, 219020, 232301, 234295, 464602, 468590, 929204, 937180, 1161505, 2323010, 4646020, 10918147, 21836294, 43672588, 54590735, 109181470, 218362940]

約数ペア:

[(1, 218362940), (2, 109181470), (4, 54590735), (5, 43672588), (10, 21836294), (20, 10918147), (47, 4646020), (94, 2323010), (188, 1161505), (233, 937180), (235, 929204), (466, 468590), (470, 464602), (932, 234295), (940, 232301), (997, 219020), (1165, 187436), (1994, 109510), (2330, 93718), (3988, 54755), (4660, 46859), (4985, 43804), (9970, 21902), (10951, 19940)]