791780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 1874880

約数和(自身を除く): 1083100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 61, 110, 118, 122, 220, 236, 244, 295, 305, 590, 610, 649, 671, 1180, 1220, 1298, 1342, 2596, 2684, 3245, 3355, 3599, 6490, 6710, 7198, 12980, 13420, 14396, 17995, 35990, 39589, 71980, 79178, 158356, 197945, 395890, 791780]

約数ペア:

[(1, 791780), (2, 395890), (4, 197945), (5, 158356), (10, 79178), (11, 71980), (20, 39589), (22, 35990), (44, 17995), (55, 14396), (59, 13420), (61, 12980), (110, 7198), (118, 6710), (122, 6490), (220, 3599), (236, 3355), (244, 3245), (295, 2684), (305, 2596), (590, 1342), (610, 1298), (649, 1220), (671, 1180)]