640923450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{409}}^1$

素因数の和:792

約数の個数: 96

約数和(自身を含む): 1649656320

約数和(自身を除く): 1008732870

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 150, 155, 186, 310, 337, 409, 465, 674, 775, 818, 930, 1011, 1227, 1550, 1685, 2022, 2045, 2325, 2454, 3370, 4090, 4650, 5055, 6135, 8425, 10110, 10225, 10447, 12270, 12679, 16850, 20450, 20894, 25275, 25358, 30675, 31341, 38037, 50550, 52235, 61350, 62682, 63395, 76074, 104470, 126790, 137833, 156705, 190185, 261175, 275666, 313410, 316975, 380370, 413499, 522350, 633950, 689165, 783525, 826998, 950925, 1378330, 1567050, 1901850, 2067495, 3445825, 4134990, 4272823, 6891650, 8545646, 10337475, 12818469, 20674950, 21364115, 25636938, 42728230, 64092345, 106820575, 128184690, 213641150, 320461725, 640923450]

約数ペア:

[(1, 640923450), (2, 320461725), (3, 213641150), (5, 128184690), (6, 106820575), (10, 64092345), (15, 42728230), (25, 25636938), (30, 21364115), (31, 20674950), (50, 12818469), (62, 10337475), (75, 8545646), (93, 6891650), (150, 4272823), (155, 4134990), (186, 3445825), (310, 2067495), (337, 1901850), (409, 1567050), (465, 1378330), (674, 950925), (775, 826998), (818, 783525), (930, 689165), (1011, 633950), (1227, 522350), (1550, 413499), (1685, 380370), (2022, 316975), (2045, 313410), (2325, 275666), (2454, 261175), (3370, 190185), (4090, 156705), (4650, 137833), (5055, 126790), (6135, 104470), (8425, 76074), (10110, 63395), (10225, 62682), (10447, 61350), (12270, 52235), (12679, 50550), (16850, 38037), (20450, 31341), (20894, 30675), (25275, 25358)]