289314440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1\times {\mathrm{563}}^1$

素因数の和:1046

約数の個数: 64

約数和(自身を含む): 676123200

約数和(自身を除く): 386808760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 443, 563, 580, 886, 1126, 1160, 1772, 2215, 2252, 2815, 3544, 4430, 4504, 5630, 8860, 11260, 12847, 16327, 17720, 22520, 25694, 32654, 51388, 64235, 65308, 81635, 102776, 128470, 130616, 163270, 249409, 256940, 326540, 498818, 513880, 653080, 997636, 1247045, 1995272, 2494090, 4988180, 7232861, 9976360, 14465722, 28931444, 36164305, 57862888, 72328610, 144657220, 289314440]

約数ペア:

[(1, 289314440), (2, 144657220), (4, 72328610), (5, 57862888), (8, 36164305), (10, 28931444), (20, 14465722), (29, 9976360), (40, 7232861), (58, 4988180), (116, 2494090), (145, 1995272), (232, 1247045), (290, 997636), (443, 653080), (563, 513880), (580, 498818), (886, 326540), (1126, 256940), (1160, 249409), (1772, 163270), (2215, 130616), (2252, 128470), (2815, 102776), (3544, 81635), (4430, 65308), (4504, 64235), (5630, 51388), (8860, 32654), (11260, 25694), (12847, 22520), (16327, 17720)]