17278460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 38918880

約数和(自身を除く): 21640420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 571, 890, 1142, 1513, 1780, 2284, 2855, 3026, 5710, 6052, 7565, 9707, 11420, 15130, 19414, 30260, 38828, 48535, 50819, 97070, 101638, 194140, 203276, 254095, 508190, 863923, 1016380, 1727846, 3455692, 4319615, 8639230, 17278460]

約数ペア:

[(1, 17278460), (2, 8639230), (4, 4319615), (5, 3455692), (10, 1727846), (17, 1016380), (20, 863923), (34, 508190), (68, 254095), (85, 203276), (89, 194140), (170, 101638), (178, 97070), (340, 50819), (356, 48535), (445, 38828), (571, 30260), (890, 19414), (1142, 15130), (1513, 11420), (1780, 9707), (2284, 7565), (2855, 6052), (3026, 5710)]