201618980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{733}}^1\times {\mathrm{809}}^1$

素因数の和:1568

約数の個数: 48

約数和(自身を含む): 449472240

約数和(自身を除く): 247853260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 733, 809, 1466, 1618, 2932, 3236, 3665, 4045, 7330, 8090, 12461, 13753, 14660, 16180, 24922, 27506, 49844, 55012, 62305, 68765, 124610, 137530, 249220, 275060, 592997, 1185994, 2371988, 2964985, 5929970, 10080949, 11859940, 20161898, 40323796, 50404745, 100809490, 201618980]

約数ペア:

[(1, 201618980), (2, 100809490), (4, 50404745), (5, 40323796), (10, 20161898), (17, 11859940), (20, 10080949), (34, 5929970), (68, 2964985), (85, 2371988), (170, 1185994), (340, 592997), (733, 275060), (809, 249220), (1466, 137530), (1618, 124610), (2932, 68765), (3236, 62305), (3665, 55012), (4045, 49844), (7330, 27506), (8090, 24922), (12461, 16180), (13753, 14660)]