209367690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{142427}}^1$

素因数の和:142451

約数の個数: 48

約数和(自身を含む): 584524512

約数和(自身を除く): 375156822

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 142427, 284854, 427281, 712135, 854562, 996989, 1424270, 1993978, 2136405, 2990967, 4272810, 4984945, 5981934, 6978923, 9969890, 13957846, 14954835, 20936769, 29909670, 34894615, 41873538, 69789230, 104683845, 209367690]

約数ペア:

[(1, 209367690), (2, 104683845), (3, 69789230), (5, 41873538), (6, 34894615), (7, 29909670), (10, 20936769), (14, 14954835), (15, 13957846), (21, 9969890), (30, 6978923), (35, 5981934), (42, 4984945), (49, 4272810), (70, 2990967), (98, 2136405), (105, 1993978), (147, 1424270), (210, 996989), (245, 854562), (294, 712135), (490, 427281), (735, 284854), (1470, 142427)]