8854760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 21427200

約数和(自身を除く): 12572440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 191, 244, 305, 380, 382, 488, 610, 760, 764, 955, 1159, 1220, 1528, 1910, 2318, 2440, 3629, 3820, 4636, 5795, 7258, 7640, 9272, 11590, 11651, 14516, 18145, 23180, 23302, 29032, 36290, 46360, 46604, 58255, 72580, 93208, 116510, 145160, 221369, 233020, 442738, 466040, 885476, 1106845, 1770952, 2213690, 4427380, 8854760]

約数ペア:

[(1, 8854760), (2, 4427380), (4, 2213690), (5, 1770952), (8, 1106845), (10, 885476), (19, 466040), (20, 442738), (38, 233020), (40, 221369), (61, 145160), (76, 116510), (95, 93208), (122, 72580), (152, 58255), (190, 46604), (191, 46360), (244, 36290), (305, 29032), (380, 23302), (382, 23180), (488, 18145), (610, 14516), (760, 11651), (764, 11590), (955, 9272), (1159, 7640), (1220, 7258), (1528, 5795), (1910, 4636), (2318, 3820), (2440, 3629)]