6444040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 15624000

約数和(自身を除く): 9179960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 139, 152, 190, 244, 278, 305, 380, 488, 556, 610, 695, 760, 1112, 1159, 1220, 1390, 2318, 2440, 2641, 2780, 4636, 5282, 5560, 5795, 8479, 9272, 10564, 11590, 13205, 16958, 21128, 23180, 26410, 33916, 42395, 46360, 52820, 67832, 84790, 105640, 161101, 169580, 322202, 339160, 644404, 805505, 1288808, 1611010, 3222020, 6444040]

約数ペア:

[(1, 6444040), (2, 3222020), (4, 1611010), (5, 1288808), (8, 805505), (10, 644404), (19, 339160), (20, 322202), (38, 169580), (40, 161101), (61, 105640), (76, 84790), (95, 67832), (122, 52820), (139, 46360), (152, 42395), (190, 33916), (244, 26410), (278, 23180), (305, 21128), (380, 16958), (488, 13205), (556, 11590), (610, 10564), (695, 9272), (760, 8479), (1112, 5795), (1159, 5560), (1220, 5282), (1390, 4636), (2318, 2780), (2440, 2641)]