7391890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 15082200

約数和(自身を除く): 7690310

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 121, 149, 205, 242, 298, 410, 451, 605, 745, 902, 1210, 1490, 1639, 2255, 3278, 4510, 4961, 6109, 8195, 9922, 12218, 16390, 18029, 24805, 30545, 36058, 49610, 61090, 67199, 90145, 134398, 180290, 335995, 671990, 739189, 1478378, 3695945, 7391890]

約数ペア:

[(1, 7391890), (2, 3695945), (5, 1478378), (10, 739189), (11, 671990), (22, 335995), (41, 180290), (55, 134398), (82, 90145), (110, 67199), (121, 61090), (149, 49610), (205, 36058), (242, 30545), (298, 24805), (410, 18029), (451, 16390), (605, 12218), (745, 9922), (902, 8195), (1210, 6109), (1490, 4961), (1639, 4510), (2255, 3278)]