7445720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 17992800

約数和(自身を除く): 10547080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 101, 152, 190, 194, 202, 380, 388, 404, 485, 505, 760, 776, 808, 970, 1010, 1843, 1919, 1940, 2020, 3686, 3838, 3880, 4040, 7372, 7676, 9215, 9595, 9797, 14744, 15352, 18430, 19190, 19594, 36860, 38380, 39188, 48985, 73720, 76760, 78376, 97970, 186143, 195940, 372286, 391880, 744572, 930715, 1489144, 1861430, 3722860, 7445720]

約数ペア:

[(1, 7445720), (2, 3722860), (4, 1861430), (5, 1489144), (8, 930715), (10, 744572), (19, 391880), (20, 372286), (38, 195940), (40, 186143), (76, 97970), (95, 78376), (97, 76760), (101, 73720), (152, 48985), (190, 39188), (194, 38380), (202, 36860), (380, 19594), (388, 19190), (404, 18430), (485, 15352), (505, 14744), (760, 9797), (776, 9595), (808, 9215), (970, 7676), (1010, 7372), (1843, 4040), (1919, 3880), (1940, 3838), (2020, 3686)]