42907240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 102124800

約数和(自身を除く): 59217560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 376, 470, 580, 787, 940, 1160, 1363, 1574, 1880, 2726, 3148, 3935, 5452, 6296, 6815, 7870, 10904, 13630, 15740, 22823, 27260, 31480, 36989, 45646, 54520, 73978, 91292, 114115, 147956, 182584, 184945, 228230, 295912, 369890, 456460, 739780, 912920, 1072681, 1479560, 2145362, 4290724, 5363405, 8581448, 10726810, 21453620, 42907240]

約数ペア:

[(1, 42907240), (2, 21453620), (4, 10726810), (5, 8581448), (8, 5363405), (10, 4290724), (20, 2145362), (29, 1479560), (40, 1072681), (47, 912920), (58, 739780), (94, 456460), (116, 369890), (145, 295912), (188, 228230), (232, 184945), (235, 182584), (290, 147956), (376, 114115), (470, 91292), (580, 73978), (787, 54520), (940, 45646), (1160, 36989), (1363, 31480), (1574, 27260), (1880, 22823), (2726, 15740), (3148, 13630), (3935, 10904), (5452, 7870), (6296, 6815)]