344480780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{1013}}^1$

素因数の和:1383

約数の個数: 72

約数和(自身を含む): 844775568

約数和(自身を除く): 500294788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 347, 490, 694, 980, 1013, 1388, 1735, 2026, 2429, 3470, 4052, 4858, 5065, 6940, 7091, 9716, 10130, 12145, 14182, 17003, 20260, 24290, 28364, 34006, 35455, 48580, 49637, 68012, 70910, 85015, 99274, 141820, 170030, 198548, 248185, 340060, 351511, 496370, 703022, 992740, 1406044, 1757555, 2460577, 3515110, 4921154, 7030220, 9842308, 12302885, 17224039, 24605770, 34448078, 49211540, 68896156, 86120195, 172240390, 344480780]

約数ペア:

[(1, 344480780), (2, 172240390), (4, 86120195), (5, 68896156), (7, 49211540), (10, 34448078), (14, 24605770), (20, 17224039), (28, 12302885), (35, 9842308), (49, 7030220), (70, 4921154), (98, 3515110), (140, 2460577), (196, 1757555), (245, 1406044), (347, 992740), (490, 703022), (694, 496370), (980, 351511), (1013, 340060), (1388, 248185), (1735, 198548), (2026, 170030), (2429, 141820), (3470, 99274), (4052, 85015), (4858, 70910), (5065, 68012), (6940, 49637), (7091, 48580), (9716, 35455), (10130, 34006), (12145, 28364), (14182, 24290), (17003, 20260)]