189504420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{451201}}^1$

素因数の和:451220

約数の個数: 48

約数和(自身を含む): 606415488

約数和(自身を除く): 416911068

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, 451201, 902402, 1353603, 1804804, 2256005, 2707206, 3158407, 4512010, 5414412, 6316814, 6768015, 9024020, 9475221, 12633628, 13536030, 15792035, 18950442, 27072060, 31584070, 37900884, 47376105, 63168140, 94752210, 189504420]

約数ペア:

[(1, 189504420), (2, 94752210), (3, 63168140), (4, 47376105), (5, 37900884), (6, 31584070), (7, 27072060), (10, 18950442), (12, 15792035), (14, 13536030), (15, 12633628), (20, 9475221), (21, 9024020), (28, 6768015), (30, 6316814), (35, 5414412), (42, 4512010), (60, 3158407), (70, 2707206), (84, 2256005), (105, 1804804), (140, 1353603), (210, 902402), (420, 451201)]