22412780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 53802000

約数和(自身を除く): 31389220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 349, 380, 494, 676, 698, 845, 988, 1235, 1396, 1690, 1745, 2470, 3211, 3380, 3490, 4537, 4940, 6422, 6631, 6980, 9074, 12844, 13262, 16055, 18148, 22685, 26524, 32110, 33155, 45370, 58981, 64220, 66310, 86203, 90740, 117962, 132620, 172406, 235924, 294905, 344812, 431015, 589810, 862030, 1120639, 1179620, 1724060, 2241278, 4482556, 5603195, 11206390, 22412780]

約数ペア:

[(1, 22412780), (2, 11206390), (4, 5603195), (5, 4482556), (10, 2241278), (13, 1724060), (19, 1179620), (20, 1120639), (26, 862030), (38, 589810), (52, 431015), (65, 344812), (76, 294905), (95, 235924), (130, 172406), (169, 132620), (190, 117962), (247, 90740), (260, 86203), (338, 66310), (349, 64220), (380, 58981), (494, 45370), (676, 33155), (698, 32110), (845, 26524), (988, 22685), (1235, 18148), (1396, 16055), (1690, 13262), (1745, 12844), (2470, 9074), (3211, 6980), (3380, 6631), (3490, 6422), (4537, 4940)]