4128700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 9843120

約数和(自身を除く): 5714420

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 53, 76, 82, 95, 100, 106, 164, 190, 205, 212, 265, 380, 410, 475, 530, 779, 820, 950, 1007, 1025, 1060, 1325, 1558, 1900, 2014, 2050, 2173, 2650, 3116, 3895, 4028, 4100, 4346, 5035, 5300, 7790, 8692, 10070, 10865, 15580, 19475, 20140, 21730, 25175, 38950, 41287, 43460, 50350, 54325, 77900, 82574, 100700, 108650, 165148, 206435, 217300, 412870, 825740, 1032175, 2064350, 4128700]

約数ペア:

[(1, 4128700), (2, 2064350), (4, 1032175), (5, 825740), (10, 412870), (19, 217300), (20, 206435), (25, 165148), (38, 108650), (41, 100700), (50, 82574), (53, 77900), (76, 54325), (82, 50350), (95, 43460), (100, 41287), (106, 38950), (164, 25175), (190, 21730), (205, 20140), (212, 19475), (265, 15580), (380, 10865), (410, 10070), (475, 8692), (530, 7790), (779, 5300), (820, 5035), (950, 4346), (1007, 4100), (1025, 4028), (1060, 3895), (1325, 3116), (1558, 2650), (1900, 2173), (2014, 2050)]