28988700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7433}}^1$

素因数の和:7463

約数の個数: 72

約数和(自身を含む): 90337968

約数和(自身を除く): 61349268

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, 7433, 14866, 22299, 29732, 37165, 44598, 74330, 89196, 96629, 111495, 148660, 185825, 193258, 222990, 289887, 371650, 386516, 445980, 483145, 557475, 579774, 743300, 966290, 1114950, 1159548, 1449435, 1932580, 2229900, 2415725, 2898870, 4831450, 5797740, 7247175, 9662900, 14494350, 28988700]

約数ペア:

[(1, 28988700), (2, 14494350), (3, 9662900), (4, 7247175), (5, 5797740), (6, 4831450), (10, 2898870), (12, 2415725), (13, 2229900), (15, 1932580), (20, 1449435), (25, 1159548), (26, 1114950), (30, 966290), (39, 743300), (50, 579774), (52, 557475), (60, 483145), (65, 445980), (75, 386516), (78, 371650), (100, 289887), (130, 222990), (150, 193258), (156, 185825), (195, 148660), (260, 111495), (300, 96629), (325, 89196), (390, 74330), (650, 44598), (780, 37165), (975, 29732), (1300, 22299), (1950, 14866), (3900, 7433)]