87255700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4021}}^1$

素因数の和:4073

約数の個数: 72

約数和(自身を含む): 223430144

約数和(自身を除く): 136174444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 868, 1085, 1550, 2170, 3100, 4021, 4340, 5425, 8042, 10850, 16084, 20105, 21700, 28147, 40210, 56294, 80420, 100525, 112588, 124651, 140735, 201050, 249302, 281470, 402100, 498604, 562940, 623255, 703675, 872557, 1246510, 1407350, 1745114, 2493020, 2814700, 3116275, 3490228, 4362785, 6232550, 8725570, 12465100, 17451140, 21813925, 43627850, 87255700]

約数ペア:

[(1, 87255700), (2, 43627850), (4, 21813925), (5, 17451140), (7, 12465100), (10, 8725570), (14, 6232550), (20, 4362785), (25, 3490228), (28, 3116275), (31, 2814700), (35, 2493020), (50, 1745114), (62, 1407350), (70, 1246510), (100, 872557), (124, 703675), (140, 623255), (155, 562940), (175, 498604), (217, 402100), (310, 281470), (350, 249302), (434, 201050), (620, 140735), (700, 124651), (775, 112588), (868, 100525), (1085, 80420), (1550, 56294), (2170, 40210), (3100, 28147), (4021, 21700), (4340, 20105), (5425, 16084), (8042, 10850)]