189921780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{351707}}^1$

素因数の和:351725

約数の個数: 48

約数和(自身を含む): 590869440

約数和(自身を除く): 400947660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 351707, 703414, 1055121, 1406828, 1758535, 2110242, 3165363, 3517070, 4220484, 5275605, 6330726, 7034140, 9496089, 10551210, 12661452, 15826815, 18992178, 21102420, 31653630, 37984356, 47480445, 63307260, 94960890, 189921780]

約数ペア:

[(1, 189921780), (2, 94960890), (3, 63307260), (4, 47480445), (5, 37984356), (6, 31653630), (9, 21102420), (10, 18992178), (12, 15826815), (15, 12661452), (18, 10551210), (20, 9496089), (27, 7034140), (30, 6330726), (36, 5275605), (45, 4220484), (54, 3517070), (60, 3165363), (90, 2110242), (108, 1758535), (135, 1406828), (180, 1055121), (270, 703414), (540, 351707)]