71308900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2887}}^1$

素因数の和:2933

約数の個数: 72

約数和(自身を含む): 175474880

約数和(自身を除く): 104165980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1235, 1300, 1900, 2470, 2887, 4940, 5774, 6175, 11548, 12350, 14435, 24700, 28870, 37531, 54853, 57740, 72175, 75062, 109706, 144350, 150124, 187655, 219412, 274265, 288700, 375310, 548530, 713089, 750620, 938275, 1097060, 1371325, 1426178, 1876550, 2742650, 2852356, 3565445, 3753100, 5485300, 7130890, 14261780, 17827225, 35654450, 71308900]

約数ペア:

[(1, 71308900), (2, 35654450), (4, 17827225), (5, 14261780), (10, 7130890), (13, 5485300), (19, 3753100), (20, 3565445), (25, 2852356), (26, 2742650), (38, 1876550), (50, 1426178), (52, 1371325), (65, 1097060), (76, 938275), (95, 750620), (100, 713089), (130, 548530), (190, 375310), (247, 288700), (260, 274265), (325, 219412), (380, 187655), (475, 150124), (494, 144350), (650, 109706), (950, 75062), (988, 72175), (1235, 57740), (1300, 54853), (1900, 37531), (2470, 28870), (2887, 24700), (4940, 14435), (5774, 12350), (6175, 11548)]