71629240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^2$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 170202600

約数和(自身を除く): 98573360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 307, 380, 614, 760, 1228, 1535, 2456, 3070, 5833, 6140, 11666, 12280, 23332, 29165, 46664, 58330, 94249, 116660, 188498, 233320, 376996, 471245, 753992, 942490, 1790731, 1884980, 3581462, 3769960, 7162924, 8953655, 14325848, 17907310, 35814620, 71629240]

約数ペア:

[(1, 71629240), (2, 35814620), (4, 17907310), (5, 14325848), (8, 8953655), (10, 7162924), (19, 3769960), (20, 3581462), (38, 1884980), (40, 1790731), (76, 942490), (95, 753992), (152, 471245), (190, 376996), (307, 233320), (380, 188498), (614, 116660), (760, 94249), (1228, 58330), (1535, 46664), (2456, 29165), (3070, 23332), (5833, 12280), (6140, 11666)]