123661945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 179988480

約数和(自身を除く): 56326535

約数列:

[1, 5, 11, 29, 31, 41, 55, 61, 145, 155, 205, 305, 319, 341, 451, 671, 899, 1189, 1271, 1595, 1705, 1769, 1891, 2255, 2501, 3355, 4495, 5945, 6355, 8845, 9455, 9889, 12505, 13079, 13981, 19459, 20801, 27511, 36859, 49445, 54839, 65395, 69905, 72529, 77531, 97295, 104005, 137555, 184295, 274195, 362645, 387655, 405449, 603229, 797819, 852841, 2027245, 2248399, 3016145, 3989095, 4264205, 11241995, 24732389, 123661945]

約数ペア:

[(1, 123661945), (5, 24732389), (11, 11241995), (29, 4264205), (31, 3989095), (41, 3016145), (55, 2248399), (61, 2027245), (145, 852841), (155, 797819), (205, 603229), (305, 405449), (319, 387655), (341, 362645), (451, 274195), (671, 184295), (899, 137555), (1189, 104005), (1271, 97295), (1595, 77531), (1705, 72529), (1769, 69905), (1891, 65395), (2255, 54839), (2501, 49445), (3355, 36859), (4495, 27511), (5945, 20801), (6355, 19459), (8845, 13981), (9455, 13079), (9889, 12505)]