197049040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{144889}}^1$

素因数の和:144919

約数の個数: 40

約数和(自身を含む): 485091720

約数和(自身を除く): 288042680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 144889, 289778, 579556, 724445, 1159112, 1448890, 2318224, 2463113, 2897780, 4926226, 5795560, 9852452, 11591120, 12315565, 19704904, 24631130, 39409808, 49262260, 98524520, 197049040]

約数ペア:

[(1, 197049040), (2, 98524520), (4, 49262260), (5, 39409808), (8, 24631130), (10, 19704904), (16, 12315565), (17, 11591120), (20, 9852452), (34, 5795560), (40, 4926226), (68, 2897780), (80, 2463113), (85, 2318224), (136, 1448890), (170, 1159112), (272, 724445), (340, 579556), (680, 289778), (1360, 144889)]