1937660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 4445280

約数和(自身を除く): 2507620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 139, 164, 170, 205, 278, 340, 410, 556, 695, 697, 820, 1390, 1394, 2363, 2780, 2788, 3485, 4726, 5699, 6970, 9452, 11398, 11815, 13940, 22796, 23630, 28495, 47260, 56990, 96883, 113980, 193766, 387532, 484415, 968830, 1937660]

約数ペア:

[(1, 1937660), (2, 968830), (4, 484415), (5, 387532), (10, 193766), (17, 113980), (20, 96883), (34, 56990), (41, 47260), (68, 28495), (82, 23630), (85, 22796), (139, 13940), (164, 11815), (170, 11398), (205, 9452), (278, 6970), (340, 5699), (410, 4726), (556, 3485), (695, 2788), (697, 2780), (820, 2363), (1390, 1394)]