90210900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23131}}^1$

素因数の和:23161

約数の個数: 72

約数和(自身を含む): 281100064

約数和(自身を除く): 190889164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 23131, 46262, 69393, 92524, 115655, 138786, 231310, 277572, 300703, 346965, 462620, 578275, 601406, 693930, 902109, 1156550, 1202812, 1387860, 1503515, 1734825, 1804218, 2313100, 3007030, 3469650, 3608436, 4510545, 6014060, 6939300, 7517575, 9021090, 15035150, 18042180, 22552725, 30070300, 45105450, 90210900]

約数ペア:

[(1, 90210900), (2, 45105450), (3, 30070300), (4, 22552725), (5, 18042180), (6, 15035150), (10, 9021090), (12, 7517575), (13, 6939300), (15, 6014060), (20, 4510545), (25, 3608436), (26, 3469650), (30, 3007030), (39, 2313100), (50, 1804218), (52, 1734825), (60, 1503515), (65, 1387860), (75, 1202812), (78, 1156550), (100, 902109), (130, 693930), (150, 601406), (156, 578275), (195, 462620), (260, 346965), (300, 300703), (325, 277572), (390, 231310), (650, 138786), (780, 115655), (975, 92524), (1300, 69393), (1950, 46262), (3900, 23131)]