177942620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 393802416

約数和(自身を除く): 215859796

約数列:

[1, 2, 4, 5, 10, 20, 37, 67, 74, 97, 134, 148, 185, 194, 268, 335, 370, 388, 485, 670, 740, 970, 1340, 1369, 1940, 2479, 2738, 3589, 4958, 5476, 6499, 6845, 7178, 9916, 12395, 12998, 13690, 14356, 17945, 24790, 25996, 27380, 32495, 35890, 49580, 64990, 71780, 91723, 129980, 132793, 183446, 240463, 265586, 366892, 458615, 480926, 531172, 663965, 917230, 961852, 1202315, 1327930, 1834460, 2404630, 2655860, 4809260, 8897131, 17794262, 35588524, 44485655, 88971310, 177942620]

約数ペア:

[(1, 177942620), (2, 88971310), (4, 44485655), (5, 35588524), (10, 17794262), (20, 8897131), (37, 4809260), (67, 2655860), (74, 2404630), (97, 1834460), (134, 1327930), (148, 1202315), (185, 961852), (194, 917230), (268, 663965), (335, 531172), (370, 480926), (388, 458615), (485, 366892), (670, 265586), (740, 240463), (970, 183446), (1340, 132793), (1369, 129980), (1940, 91723), (2479, 71780), (2738, 64990), (3589, 49580), (4958, 35890), (5476, 32495), (6499, 27380), (6845, 25996), (7178, 24790), (9916, 17945), (12395, 14356), (12998, 13690)]