90689970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{431857}}^1$

素因数の和:431874

約数の個数: 32

約数和(自身を含む): 248750208

約数和(自身を除く): 158060238

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 431857, 863714, 1295571, 2159285, 2591142, 3022999, 4318570, 6045998, 6477855, 9068997, 12955710, 15114995, 18137994, 30229990, 45344985, 90689970]

約数ペア:

[(1, 90689970), (2, 45344985), (3, 30229990), (5, 18137994), (6, 15114995), (7, 12955710), (10, 9068997), (14, 6477855), (15, 6045998), (21, 4318570), (30, 3022999), (35, 2591142), (42, 2159285), (70, 1295571), (105, 863714), (210, 431857)]