175980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{419}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 564480

約数和(自身を除く): 388500

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, 419, 420, 838, 1257, 1676, 2095, 2514, 2933, 4190, 5028, 5866, 6285, 8380, 8799, 11732, 12570, 14665, 17598, 25140, 29330, 35196, 43995, 58660, 87990, 175980]

約数ペア:

[(1, 175980), (2, 87990), (3, 58660), (4, 43995), (5, 35196), (6, 29330), (7, 25140), (10, 17598), (12, 14665), (14, 12570), (15, 11732), (20, 8799), (21, 8380), (28, 6285), (30, 5866), (35, 5028), (42, 4190), (60, 2933), (70, 2514), (84, 2095), (105, 1676), (140, 1257), (210, 838), (419, 420)]