211500420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{57787}}^1$

素因数の和:57860

約数の個数: 48

約数和(自身を含む): 601919808

約数和(自身を除く): 390419388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 57787, 115574, 173361, 231148, 288935, 346722, 577870, 693444, 866805, 1155740, 1733610, 3467220, 3525007, 7050014, 10575021, 14100028, 17625035, 21150042, 35250070, 42300084, 52875105, 70500140, 105750210, 211500420]

約数ペア:

[(1, 211500420), (2, 105750210), (3, 70500140), (4, 52875105), (5, 42300084), (6, 35250070), (10, 21150042), (12, 17625035), (15, 14100028), (20, 10575021), (30, 7050014), (60, 3525007), (61, 3467220), (122, 1733610), (183, 1155740), (244, 866805), (305, 693444), (366, 577870), (610, 346722), (732, 288935), (915, 231148), (1220, 173361), (1830, 115574), (3660, 57787)]