2019998225

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{11131}}^1$

素因数の和:11226

約数の個数: 48

約数和(自身を含む): 3080981376

約数和(自身を除く): 1060983151

約数列:

[1, 5, 7, 17, 25, 35, 61, 85, 119, 175, 305, 425, 427, 595, 1037, 1525, 2135, 2975, 5185, 7259, 10675, 11131, 25925, 36295, 55655, 77917, 181475, 189227, 278275, 389585, 678991, 946135, 1324589, 1947925, 3394955, 4730675, 4752937, 6622945, 11542847, 16974775, 23764685, 33114725, 57714235, 80799929, 118823425, 288571175, 403999645, 2019998225]

約数ペア:

[(1, 2019998225), (5, 403999645), (7, 288571175), (17, 118823425), (25, 80799929), (35, 57714235), (61, 33114725), (85, 23764685), (119, 16974775), (175, 11542847), (305, 6622945), (425, 4752937), (427, 4730675), (595, 3394955), (1037, 1947925), (1525, 1324589), (2135, 946135), (2975, 678991), (5185, 389585), (7259, 278275), (10675, 189227), (11131, 181475), (25925, 77917), (36295, 55655)]