149728700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1723}}^1$

素因数の和:1827

約数の個数: 72

約数和(自身を含む): 359143680

約数和(自身を除く): 209414980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 100, 110, 158, 220, 275, 316, 395, 550, 790, 869, 1100, 1580, 1723, 1738, 1975, 3446, 3476, 3950, 4345, 6892, 7900, 8615, 8690, 17230, 17380, 18953, 21725, 34460, 37906, 43075, 43450, 75812, 86150, 86900, 94765, 136117, 172300, 189530, 272234, 379060, 473825, 544468, 680585, 947650, 1361170, 1497287, 1895300, 2722340, 2994574, 3402925, 5989148, 6805850, 7486435, 13611700, 14972870, 29945740, 37432175, 74864350, 149728700]

約数ペア:

[(1, 149728700), (2, 74864350), (4, 37432175), (5, 29945740), (10, 14972870), (11, 13611700), (20, 7486435), (22, 6805850), (25, 5989148), (44, 3402925), (50, 2994574), (55, 2722340), (79, 1895300), (100, 1497287), (110, 1361170), (158, 947650), (220, 680585), (275, 544468), (316, 473825), (395, 379060), (550, 272234), (790, 189530), (869, 172300), (1100, 136117), (1580, 94765), (1723, 86900), (1738, 86150), (1975, 75812), (3446, 43450), (3476, 43075), (3950, 37906), (4345, 34460), (6892, 21725), (7900, 18953), (8615, 17380), (8690, 17230)]