42157100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{6911}}^1$

素因数の和:6986

約数の個数: 36

約数和(自身を含む): 92994048

約数和(自身を除く): 50836948

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 6911, 13822, 27644, 34555, 69110, 138220, 172775, 345550, 421571, 691100, 843142, 1686284, 2107855, 4215710, 8431420, 10539275, 21078550, 42157100]

約数ペア:

[(1, 42157100), (2, 21078550), (4, 10539275), (5, 8431420), (10, 4215710), (20, 2107855), (25, 1686284), (50, 843142), (61, 691100), (100, 421571), (122, 345550), (244, 172775), (305, 138220), (610, 69110), (1220, 34555), (1525, 27644), (3050, 13822), (6100, 6911)]