191786980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17791}}^1$

素因数の和:17825

約数の個数: 72

約数和(自身を含む): 511128576

約数和(自身を除く): 319341596

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 17791, 35582, 71164, 88955, 124537, 177910, 195701, 249074, 355820, 391402, 498148, 622685, 782804, 871759, 978505, 1245370, 1369907, 1743518, 1957010, 2490740, 2739814, 3487036, 3914020, 4358795, 5479628, 6849535, 8717590, 9589349, 13699070, 17435180, 19178698, 27398140, 38357396, 47946745, 95893490, 191786980]

約数ペア:

[(1, 191786980), (2, 95893490), (4, 47946745), (5, 38357396), (7, 27398140), (10, 19178698), (11, 17435180), (14, 13699070), (20, 9589349), (22, 8717590), (28, 6849535), (35, 5479628), (44, 4358795), (49, 3914020), (55, 3487036), (70, 2739814), (77, 2490740), (98, 1957010), (110, 1743518), (140, 1369907), (154, 1245370), (196, 978505), (220, 871759), (245, 782804), (308, 622685), (385, 498148), (490, 391402), (539, 355820), (770, 249074), (980, 195701), (1078, 177910), (1540, 124537), (2156, 88955), (2695, 71164), (5390, 35582), (10780, 17791)]