4331240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 10584000

約数和(自身を除く): 6252760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 139, 152, 164, 190, 205, 278, 328, 380, 410, 556, 695, 760, 779, 820, 1112, 1390, 1558, 1640, 2641, 2780, 3116, 3895, 5282, 5560, 5699, 6232, 7790, 10564, 11398, 13205, 15580, 21128, 22796, 26410, 28495, 31160, 45592, 52820, 56990, 105640, 108281, 113980, 216562, 227960, 433124, 541405, 866248, 1082810, 2165620, 4331240]

約数ペア:

[(1, 4331240), (2, 2165620), (4, 1082810), (5, 866248), (8, 541405), (10, 433124), (19, 227960), (20, 216562), (38, 113980), (40, 108281), (41, 105640), (76, 56990), (82, 52820), (95, 45592), (139, 31160), (152, 28495), (164, 26410), (190, 22796), (205, 21128), (278, 15580), (328, 13205), (380, 11398), (410, 10564), (556, 7790), (695, 6232), (760, 5699), (779, 5560), (820, 5282), (1112, 3895), (1390, 3116), (1558, 2780), (1640, 2641)]