63898360

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 148118400

約数和(自身を除く): 84220040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 79, 146, 158, 277, 292, 316, 365, 395, 554, 584, 632, 730, 790, 1108, 1385, 1460, 1580, 2216, 2770, 2920, 3160, 5540, 5767, 11080, 11534, 20221, 21883, 23068, 28835, 40442, 43766, 46136, 57670, 80884, 87532, 101105, 109415, 115340, 161768, 175064, 202210, 218830, 230680, 404420, 437660, 808840, 875320, 1597459, 3194918, 6389836, 7987295, 12779672, 15974590, 31949180, 63898360]

約数ペア:

[(1, 63898360), (2, 31949180), (4, 15974590), (5, 12779672), (8, 7987295), (10, 6389836), (20, 3194918), (40, 1597459), (73, 875320), (79, 808840), (146, 437660), (158, 404420), (277, 230680), (292, 218830), (316, 202210), (365, 175064), (395, 161768), (554, 115340), (584, 109415), (632, 101105), (730, 87532), (790, 80884), (1108, 57670), (1385, 46136), (1460, 43766), (1580, 40442), (2216, 28835), (2770, 23068), (2920, 21883), (3160, 20221), (5540, 11534), (5767, 11080)]