2943860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 6666240

約数和(自身を除く): 3722380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 127, 190, 244, 254, 305, 380, 508, 610, 635, 1159, 1220, 1270, 2318, 2413, 2540, 4636, 4826, 5795, 7747, 9652, 11590, 12065, 15494, 23180, 24130, 30988, 38735, 48260, 77470, 147193, 154940, 294386, 588772, 735965, 1471930, 2943860]

約数ペア:

[(1, 2943860), (2, 1471930), (4, 735965), (5, 588772), (10, 294386), (19, 154940), (20, 147193), (38, 77470), (61, 48260), (76, 38735), (95, 30988), (122, 24130), (127, 23180), (190, 15494), (244, 12065), (254, 11590), (305, 9652), (380, 7747), (508, 5795), (610, 4826), (635, 4636), (1159, 2540), (1220, 2413), (1270, 2318)]