620330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 32

約数和(自身を含む): 1224720

約数和(自身を除く): 604390

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 89, 170, 178, 205, 410, 445, 697, 890, 1394, 1513, 3026, 3485, 3649, 6970, 7298, 7565, 15130, 18245, 36490, 62033, 124066, 310165, 620330]

約数ペア:

[(1, 620330), (2, 310165), (5, 124066), (10, 62033), (17, 36490), (34, 18245), (41, 15130), (82, 7565), (85, 7298), (89, 6970), (170, 3649), (178, 3485), (205, 3026), (410, 1513), (445, 1394), (697, 890)]