138932380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1\times {\mathrm{433}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 298355904

約数和(自身を除く): 159423524

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 263, 305, 433, 526, 610, 866, 1052, 1220, 1315, 1732, 2165, 2630, 4330, 5260, 8660, 16043, 26413, 32086, 52826, 64172, 80215, 105652, 113879, 132065, 160430, 227758, 264130, 320860, 455516, 528260, 569395, 1138790, 2277580, 6946619, 13893238, 27786476, 34733095, 69466190, 138932380]

約数ペア:

[(1, 138932380), (2, 69466190), (4, 34733095), (5, 27786476), (10, 13893238), (20, 6946619), (61, 2277580), (122, 1138790), (244, 569395), (263, 528260), (305, 455516), (433, 320860), (526, 264130), (610, 227758), (866, 160430), (1052, 132065), (1220, 113879), (1315, 105652), (1732, 80215), (2165, 64172), (2630, 52826), (4330, 32086), (5260, 26413), (8660, 16043)]