77849060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 169720320

約数和(自身を除く): 91871260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 307, 310, 409, 614, 620, 818, 1228, 1535, 1636, 2045, 3070, 4090, 6140, 8180, 9517, 12679, 19034, 25358, 38068, 47585, 50716, 63395, 95170, 125563, 126790, 190340, 251126, 253580, 502252, 627815, 1255630, 2511260, 3892453, 7784906, 15569812, 19462265, 38924530, 77849060]

約数ペア:

[(1, 77849060), (2, 38924530), (4, 19462265), (5, 15569812), (10, 7784906), (20, 3892453), (31, 2511260), (62, 1255630), (124, 627815), (155, 502252), (307, 253580), (310, 251126), (409, 190340), (614, 126790), (620, 125563), (818, 95170), (1228, 63395), (1535, 50716), (1636, 47585), (2045, 38068), (3070, 25358), (4090, 19034), (6140, 12679), (8180, 9517)]