82678820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34739}}^1$

素因数の和:34772

約数の個数: 48

約数和(自身を含む): 210107520

約数和(自身を除く): 127428700

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 34739, 69478, 138956, 173695, 243173, 347390, 486346, 590563, 694780, 972692, 1181126, 1215865, 2362252, 2431730, 2952815, 4133941, 4863460, 5905630, 8267882, 11811260, 16535764, 20669705, 41339410, 82678820]

約数ペア:

[(1, 82678820), (2, 41339410), (4, 20669705), (5, 16535764), (7, 11811260), (10, 8267882), (14, 5905630), (17, 4863460), (20, 4133941), (28, 2952815), (34, 2431730), (35, 2362252), (68, 1215865), (70, 1181126), (85, 972692), (119, 694780), (140, 590563), (170, 486346), (238, 347390), (340, 243173), (476, 173695), (595, 138956), (1190, 69478), (2380, 34739)]