205187850

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{21713}}^1$

素因数の和:21741

約数の個数: 96

約数和(自身を含む): 646208640

約数和(自身を除く): 441020790

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 90, 105, 126, 135, 150, 175, 189, 210, 225, 270, 315, 350, 378, 450, 525, 630, 675, 945, 1050, 1350, 1575, 1890, 3150, 4725, 9450, 21713, 43426, 65139, 108565, 130278, 151991, 195417, 217130, 303982, 325695, 390834, 455973, 542825, 586251, 651390, 759955, 911946, 977085, 1085650, 1172502, 1367919, 1519910, 1628475, 1954170, 2279865, 2735838, 2931255, 3256950, 3799775, 4103757, 4559730, 4885425, 5862510, 6839595, 7599550, 8207514, 9770850, 11399325, 13679190, 14656275, 20518785, 22798650, 29312550, 34197975, 41037570, 68395950, 102593925, 205187850]

約数ペア:

[(1, 205187850), (2, 102593925), (3, 68395950), (5, 41037570), (6, 34197975), (7, 29312550), (9, 22798650), (10, 20518785), (14, 14656275), (15, 13679190), (18, 11399325), (21, 9770850), (25, 8207514), (27, 7599550), (30, 6839595), (35, 5862510), (42, 4885425), (45, 4559730), (50, 4103757), (54, 3799775), (63, 3256950), (70, 2931255), (75, 2735838), (90, 2279865), (105, 1954170), (126, 1628475), (135, 1519910), (150, 1367919), (175, 1172502), (189, 1085650), (210, 977085), (225, 911946), (270, 759955), (315, 651390), (350, 586251), (378, 542825), (450, 455973), (525, 390834), (630, 325695), (675, 303982), (945, 217130), (1050, 195417), (1350, 151991), (1575, 130278), (1890, 108565), (3150, 65139), (4725, 43426), (9450, 21713)]