399034790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:358

約数の個数: 128

約数和(自身を含む): 941137920

約数和(自身を除く): 542103130

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 55, 62, 70, 73, 77, 110, 146, 154, 155, 217, 229, 310, 341, 365, 385, 434, 458, 511, 682, 730, 770, 803, 1022, 1085, 1145, 1603, 1606, 1705, 2170, 2263, 2290, 2387, 2519, 2555, 3206, 3410, 4015, 4526, 4774, 5038, 5110, 5621, 7099, 8015, 8030, 11242, 11315, 11935, 12595, 14198, 15841, 16030, 16717, 17633, 22630, 23870, 24893, 25190, 28105, 31682, 33434, 35266, 35495, 49693, 49786, 56210, 70990, 78089, 79205, 83585, 88165, 99386, 117019, 124465, 156178, 158410, 167170, 174251, 176330, 183887, 234038, 248465, 248930, 348502, 367774, 390445, 496930, 518227, 546623, 585095, 780890, 871255, 919435, 1036454, 1093246, 1170190, 1287209, 1742510, 1838870, 2574418, 2591135, 2733115, 3627589, 5182270, 5466230, 5700497, 6436045, 7255178, 11400994, 12872090, 18137945, 28502485, 36275890, 39903479, 57004970, 79806958, 199517395, 399034790]

約数ペア:

[(1, 399034790), (2, 199517395), (5, 79806958), (7, 57004970), (10, 39903479), (11, 36275890), (14, 28502485), (22, 18137945), (31, 12872090), (35, 11400994), (55, 7255178), (62, 6436045), (70, 5700497), (73, 5466230), (77, 5182270), (110, 3627589), (146, 2733115), (154, 2591135), (155, 2574418), (217, 1838870), (229, 1742510), (310, 1287209), (341, 1170190), (365, 1093246), (385, 1036454), (434, 919435), (458, 871255), (511, 780890), (682, 585095), (730, 546623), (770, 518227), (803, 496930), (1022, 390445), (1085, 367774), (1145, 348502), (1603, 248930), (1606, 248465), (1705, 234038), (2170, 183887), (2263, 176330), (2290, 174251), (2387, 167170), (2519, 158410), (2555, 156178), (3206, 124465), (3410, 117019), (4015, 99386), (4526, 88165), (4774, 83585), (5038, 79205), (5110, 78089), (5621, 70990), (7099, 56210), (8015, 49786), (8030, 49693), (11242, 35495), (11315, 35266), (11935, 33434), (12595, 31682), (14198, 28105), (15841, 25190), (16030, 24893), (16717, 23870), (17633, 22630)]