189485940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{64451}}^1$

素因数の和:64477

約数の個数: 72

約数和(自身を含む): 617192352

約数和(自身を除く): 427706412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 64451, 128902, 193353, 257804, 322255, 386706, 451157, 644510, 773412, 902314, 966765, 1289020, 1353471, 1804628, 1933530, 2255785, 2706942, 3158099, 3867060, 4511570, 5413884, 6316198, 6767355, 9023140, 9474297, 12632396, 13534710, 15790495, 18948594, 27069420, 31580990, 37897188, 47371485, 63161980, 94742970, 189485940]

約数ペア:

[(1, 189485940), (2, 94742970), (3, 63161980), (4, 47371485), (5, 37897188), (6, 31580990), (7, 27069420), (10, 18948594), (12, 15790495), (14, 13534710), (15, 12632396), (20, 9474297), (21, 9023140), (28, 6767355), (30, 6316198), (35, 5413884), (42, 4511570), (49, 3867060), (60, 3158099), (70, 2706942), (84, 2255785), (98, 1933530), (105, 1804628), (140, 1353471), (147, 1289020), (196, 966765), (210, 902314), (245, 773412), (294, 644510), (420, 451157), (490, 386706), (588, 322255), (735, 257804), (980, 193353), (1470, 128902), (2940, 64451)]