173027720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{70913}}^1$

素因数の和:70985

約数の個数: 32

約数和(自身を含む): 395700120

約数和(自身を除く): 222672400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 70913, 141826, 283652, 354565, 567304, 709130, 1418260, 2836520, 4325693, 8651386, 17302772, 21628465, 34605544, 43256930, 86513860, 173027720]

約数ペア:

[(1, 173027720), (2, 86513860), (4, 43256930), (5, 34605544), (8, 21628465), (10, 17302772), (20, 8651386), (40, 4325693), (61, 2836520), (122, 1418260), (244, 709130), (305, 567304), (488, 354565), (610, 283652), (1220, 141826), (2440, 70913)]