17426920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 45302400

約数和(自身を除く): 27875480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 571, 763, 872, 1090, 1142, 1526, 2180, 2284, 2855, 3052, 3815, 3997, 4360, 4568, 5710, 6104, 7630, 7994, 11420, 15260, 15988, 19985, 22840, 30520, 31976, 39970, 62239, 79940, 124478, 159880, 248956, 311195, 435673, 497912, 622390, 871346, 1244780, 1742692, 2178365, 2489560, 3485384, 4356730, 8713460, 17426920]

約数ペア:

[(1, 17426920), (2, 8713460), (4, 4356730), (5, 3485384), (7, 2489560), (8, 2178365), (10, 1742692), (14, 1244780), (20, 871346), (28, 622390), (35, 497912), (40, 435673), (56, 311195), (70, 248956), (109, 159880), (140, 124478), (218, 79940), (280, 62239), (436, 39970), (545, 31976), (571, 30520), (763, 22840), (872, 19985), (1090, 15988), (1142, 15260), (1526, 11420), (2180, 7994), (2284, 7630), (2855, 6104), (3052, 5710), (3815, 4568), (3997, 4360)]