2018790725

素因数分解:

$5^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1\times {\mathrm{317}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 2900933376

約数和(自身を除く): 882142651

約数列:

[1, 5, 7, 25, 35, 151, 175, 241, 317, 755, 1057, 1205, 1585, 1687, 2219, 3775, 5285, 6025, 7925, 8435, 11095, 26425, 36391, 42175, 47867, 55475, 76397, 181955, 239335, 254737, 335069, 381985, 534779, 909775, 1196675, 1273685, 1675345, 1909925, 2673895, 6368425, 8376725, 11535947, 13369475, 57679735, 80751629, 288398675, 403758145, 2018790725]

約数ペア:

[(1, 2018790725), (5, 403758145), (7, 288398675), (25, 80751629), (35, 57679735), (151, 13369475), (175, 11535947), (241, 8376725), (317, 6368425), (755, 2673895), (1057, 1909925), (1205, 1675345), (1585, 1273685), (1687, 1196675), (2219, 909775), (3775, 534779), (5285, 381985), (6025, 335069), (7925, 254737), (8435, 239335), (11095, 181955), (26425, 76397), (36391, 55475), (42175, 47867)]