30497740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1289}}^1$

素因数の和:1331

約数の個数: 72

約数和(自身を含む): 79319520

約数和(自身を除く): 48821780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1289, 1690, 1820, 2366, 2578, 3380, 4732, 5156, 5915, 6445, 9023, 11830, 12890, 16757, 18046, 23660, 25780, 33514, 36092, 45115, 67028, 83785, 90230, 117299, 167570, 180460, 217841, 234598, 335140, 435682, 469196, 586495, 871364, 1089205, 1172990, 1524887, 2178410, 2345980, 3049774, 4356820, 6099548, 7624435, 15248870, 30497740]

約数ペア:

[(1, 30497740), (2, 15248870), (4, 7624435), (5, 6099548), (7, 4356820), (10, 3049774), (13, 2345980), (14, 2178410), (20, 1524887), (26, 1172990), (28, 1089205), (35, 871364), (52, 586495), (65, 469196), (70, 435682), (91, 335140), (130, 234598), (140, 217841), (169, 180460), (182, 167570), (260, 117299), (338, 90230), (364, 83785), (455, 67028), (676, 45115), (845, 36092), (910, 33514), (1183, 25780), (1289, 23660), (1690, 18046), (1820, 16757), (2366, 12890), (2578, 11830), (3380, 9023), (4732, 6445), (5156, 5915)]