28620460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 71124480

約数和(自身を除く): 42504020

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 41, 44, 55, 76, 82, 95, 110, 164, 167, 190, 205, 209, 220, 334, 380, 410, 418, 451, 668, 779, 820, 835, 836, 902, 1045, 1558, 1670, 1804, 1837, 2090, 2255, 3116, 3173, 3340, 3674, 3895, 4180, 4510, 6346, 6847, 7348, 7790, 8569, 9020, 9185, 12692, 13694, 15580, 15865, 17138, 18370, 27388, 31730, 34235, 34276, 34903, 36740, 42845, 63460, 68470, 69806, 75317, 85690, 130093, 136940, 139612, 150634, 171380, 174515, 260186, 301268, 349030, 376585, 520372, 650465, 698060, 753170, 1300930, 1431023, 1506340, 2601860, 2862046, 5724092, 7155115, 14310230, 28620460]

約数ペア:

[(1, 28620460), (2, 14310230), (4, 7155115), (5, 5724092), (10, 2862046), (11, 2601860), (19, 1506340), (20, 1431023), (22, 1300930), (38, 753170), (41, 698060), (44, 650465), (55, 520372), (76, 376585), (82, 349030), (95, 301268), (110, 260186), (164, 174515), (167, 171380), (190, 150634), (205, 139612), (209, 136940), (220, 130093), (334, 85690), (380, 75317), (410, 69806), (418, 68470), (451, 63460), (668, 42845), (779, 36740), (820, 34903), (835, 34276), (836, 34235), (902, 31730), (1045, 27388), (1558, 18370), (1670, 17138), (1804, 15865), (1837, 15580), (2090, 13694), (2255, 12692), (3116, 9185), (3173, 9020), (3340, 8569), (3674, 7790), (3895, 7348), (4180, 6847), (4510, 6346)]