399985440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2099}}^1$

素因数の和:2514

約数の個数: 96

約数和(自身を含む): 1263729600

約数和(自身を除く): 863744160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 397, 480, 794, 1191, 1588, 1985, 2099, 2382, 3176, 3970, 4198, 4764, 5955, 6297, 6352, 7940, 8396, 9528, 10495, 11910, 12594, 12704, 15880, 16792, 19056, 20990, 23820, 25188, 31485, 31760, 33584, 38112, 41980, 47640, 50376, 62970, 63520, 67168, 83960, 95280, 100752, 125940, 167920, 190560, 201504, 251880, 335840, 503760, 833303, 1007520, 1666606, 2499909, 3333212, 4166515, 4999818, 6666424, 8333030, 9999636, 12499545, 13332848, 16666060, 19999272, 24999090, 26665696, 33332120, 39998544, 49998180, 66664240, 79997088, 99996360, 133328480, 199992720, 399985440]

約数ペア:

[(1, 399985440), (2, 199992720), (3, 133328480), (4, 99996360), (5, 79997088), (6, 66664240), (8, 49998180), (10, 39998544), (12, 33332120), (15, 26665696), (16, 24999090), (20, 19999272), (24, 16666060), (30, 13332848), (32, 12499545), (40, 9999636), (48, 8333030), (60, 6666424), (80, 4999818), (96, 4166515), (120, 3333212), (160, 2499909), (240, 1666606), (397, 1007520), (480, 833303), (794, 503760), (1191, 335840), (1588, 251880), (1985, 201504), (2099, 190560), (2382, 167920), (3176, 125940), (3970, 100752), (4198, 95280), (4764, 83960), (5955, 67168), (6297, 63520), (6352, 62970), (7940, 50376), (8396, 47640), (9528, 41980), (10495, 38112), (11910, 33584), (12594, 31760), (12704, 31485), (15880, 25188), (16792, 23820), (19056, 20990)]