28234760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{383}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 67737600

約数和(自身を除く): 39502840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 383, 388, 485, 760, 766, 776, 970, 1532, 1843, 1915, 1940, 3064, 3686, 3830, 3880, 7277, 7372, 7660, 9215, 14554, 14744, 15320, 18430, 29108, 36385, 36860, 37151, 58216, 72770, 73720, 74302, 145540, 148604, 185755, 291080, 297208, 371510, 705869, 743020, 1411738, 1486040, 2823476, 3529345, 5646952, 7058690, 14117380, 28234760]

約数ペア:

[(1, 28234760), (2, 14117380), (4, 7058690), (5, 5646952), (8, 3529345), (10, 2823476), (19, 1486040), (20, 1411738), (38, 743020), (40, 705869), (76, 371510), (95, 297208), (97, 291080), (152, 185755), (190, 148604), (194, 145540), (380, 74302), (383, 73720), (388, 72770), (485, 58216), (760, 37151), (766, 36860), (776, 36385), (970, 29108), (1532, 18430), (1843, 15320), (1915, 14744), (1940, 14554), (3064, 9215), (3686, 7660), (3830, 7372), (3880, 7277)]