220893540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{525937}}^1$

素因数の和:525956

約数の個数: 48

約数和(自身を含む): 706860672

約数和(自身を除く): 485967132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 525937, 1051874, 1577811, 2103748, 2629685, 3155622, 3681559, 5259370, 6311244, 7363118, 7889055, 10518740, 11044677, 14726236, 15778110, 18407795, 22089354, 31556220, 36815590, 44178708, 55223385, 73631180, 110446770, 220893540]

約数ペア:

[(1, 220893540), (2, 110446770), (3, 73631180), (4, 55223385), (5, 44178708), (6, 36815590), (7, 31556220), (10, 22089354), (12, 18407795), (14, 15778110), (15, 14726236), (20, 11044677), (21, 10518740), (28, 7889055), (30, 7363118), (35, 6311244), (42, 5259370), (60, 3681559), (70, 3155622), (84, 2629685), (105, 2103748), (140, 1577811), (210, 1051874), (420, 525937)]