210944790

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{111611}}^1$

素因数の和:111634

約数の個数: 64

約数和(自身を含む): 642885120

約数和(自身を除く): 431940330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 111611, 223222, 334833, 558055, 669666, 781277, 1004499, 1116110, 1562554, 1674165, 2008998, 2343831, 3013497, 3348330, 3906385, 4687662, 5022495, 6026994, 7031493, 7812770, 10044990, 11719155, 14062986, 15067485, 21094479, 23438310, 30134970, 35157465, 42188958, 70314930, 105472395, 210944790]

約数ペア:

[(1, 210944790), (2, 105472395), (3, 70314930), (5, 42188958), (6, 35157465), (7, 30134970), (9, 23438310), (10, 21094479), (14, 15067485), (15, 14062986), (18, 11719155), (21, 10044990), (27, 7812770), (30, 7031493), (35, 6026994), (42, 5022495), (45, 4687662), (54, 3906385), (63, 3348330), (70, 3013497), (90, 2343831), (105, 2008998), (126, 1674165), (135, 1562554), (189, 1116110), (210, 1004499), (270, 781277), (315, 669666), (378, 558055), (630, 334833), (945, 223222), (1890, 111611)]