90981100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5651}}^1$

素因数の和:5695

約数の個数: 72

約数和(自身を含む): 235484928

約数和(自身を除く): 144503828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 460, 575, 644, 700, 805, 1150, 1610, 2300, 3220, 4025, 5651, 8050, 11302, 16100, 22604, 28255, 39557, 56510, 79114, 113020, 129973, 141275, 158228, 197785, 259946, 282550, 395570, 519892, 565100, 649865, 791140, 909811, 988925, 1299730, 1819622, 1977850, 2599460, 3249325, 3639244, 3955700, 4549055, 6498650, 9098110, 12997300, 18196220, 22745275, 45490550, 90981100]

約数ペア:

[(1, 90981100), (2, 45490550), (4, 22745275), (5, 18196220), (7, 12997300), (10, 9098110), (14, 6498650), (20, 4549055), (23, 3955700), (25, 3639244), (28, 3249325), (35, 2599460), (46, 1977850), (50, 1819622), (70, 1299730), (92, 988925), (100, 909811), (115, 791140), (140, 649865), (161, 565100), (175, 519892), (230, 395570), (322, 282550), (350, 259946), (460, 197785), (575, 158228), (644, 141275), (700, 129973), (805, 113020), (1150, 79114), (1610, 56510), (2300, 39557), (3220, 28255), (4025, 22604), (5651, 16100), (8050, 11302)]