1900760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 4687200

約数和(自身を除く): 2786440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 61, 76, 82, 95, 122, 152, 164, 190, 205, 244, 305, 328, 380, 410, 488, 610, 760, 779, 820, 1159, 1220, 1558, 1640, 2318, 2440, 2501, 3116, 3895, 4636, 5002, 5795, 6232, 7790, 9272, 10004, 11590, 12505, 15580, 20008, 23180, 25010, 31160, 46360, 47519, 50020, 95038, 100040, 190076, 237595, 380152, 475190, 950380, 1900760]

約数ペア:

[(1, 1900760), (2, 950380), (4, 475190), (5, 380152), (8, 237595), (10, 190076), (19, 100040), (20, 95038), (38, 50020), (40, 47519), (41, 46360), (61, 31160), (76, 25010), (82, 23180), (95, 20008), (122, 15580), (152, 12505), (164, 11590), (190, 10004), (205, 9272), (244, 7790), (305, 6232), (328, 5795), (380, 5002), (410, 4636), (488, 3895), (610, 3116), (760, 2501), (779, 2440), (820, 2318), (1159, 1640), (1220, 1558)]