248492740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{19753}}^1$

素因数の和:19816

約数の個数: 48

約数和(自身を含む): 567492912

約数和(自身を除く): 319000172

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 2516, 3145, 6290, 12580, 19753, 39506, 79012, 98765, 197530, 335801, 395060, 671602, 730861, 1343204, 1461722, 1679005, 2923444, 3358010, 3654305, 6716020, 7308610, 12424637, 14617220, 24849274, 49698548, 62123185, 124246370, 248492740]

約数ペア:

[(1, 248492740), (2, 124246370), (4, 62123185), (5, 49698548), (10, 24849274), (17, 14617220), (20, 12424637), (34, 7308610), (37, 6716020), (68, 3654305), (74, 3358010), (85, 2923444), (148, 1679005), (170, 1461722), (185, 1343204), (340, 730861), (370, 671602), (629, 395060), (740, 335801), (1258, 197530), (2516, 98765), (3145, 79012), (6290, 39506), (12580, 19753)]