189497980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79621}}^1$

素因数の和:79654

約数の個数: 48

約数和(自身を含む): 481553856

約数和(自身を除く): 292055876

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 79621, 159242, 318484, 398105, 557347, 796210, 1114694, 1353557, 1592420, 2229388, 2707114, 2786735, 5414228, 5573470, 6767785, 9474899, 11146940, 13535570, 18949798, 27071140, 37899596, 47374495, 94748990, 189497980]

約数ペア:

[(1, 189497980), (2, 94748990), (4, 47374495), (5, 37899596), (7, 27071140), (10, 18949798), (14, 13535570), (17, 11146940), (20, 9474899), (28, 6767785), (34, 5573470), (35, 5414228), (68, 2786735), (70, 2707114), (85, 2229388), (119, 1592420), (140, 1353557), (170, 1114694), (238, 796210), (340, 557347), (476, 398105), (595, 318484), (1190, 159242), (2380, 79621)]