253775080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3511}}^1$

素因数の和:3674

約数の個数: 64

約数和(自身を含む): 619516800

約数和(自身を除く): 365741720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 1112, 1390, 1807, 2780, 3511, 3614, 5560, 7022, 7228, 9035, 14044, 14456, 17555, 18070, 28088, 35110, 36140, 45643, 70220, 72280, 91286, 140440, 182572, 228215, 365144, 456430, 488029, 912860, 976058, 1825720, 1952116, 2440145, 3904232, 4880290, 6344377, 9760580, 12688754, 19521160, 25377508, 31721885, 50755016, 63443770, 126887540, 253775080]

約数ペア:

[(1, 253775080), (2, 126887540), (4, 63443770), (5, 50755016), (8, 31721885), (10, 25377508), (13, 19521160), (20, 12688754), (26, 9760580), (40, 6344377), (52, 4880290), (65, 3904232), (104, 2440145), (130, 1952116), (139, 1825720), (260, 976058), (278, 912860), (520, 488029), (556, 456430), (695, 365144), (1112, 228215), (1390, 182572), (1807, 140440), (2780, 91286), (3511, 72280), (3614, 70220), (5560, 45643), (7022, 36140), (7228, 35110), (9035, 28088), (14044, 18070), (14456, 17555)]