128566300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:731

約数の個数: 72

約数和(自身を含む): 292759040

約数和(自身を除く): 164192740

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 67, 100, 124, 134, 155, 268, 310, 335, 619, 620, 670, 775, 1238, 1340, 1550, 1675, 2077, 2476, 3095, 3100, 3350, 4154, 6190, 6700, 8308, 10385, 12380, 15475, 19189, 20770, 30950, 38378, 41473, 41540, 51925, 61900, 76756, 82946, 95945, 103850, 165892, 191890, 207365, 207700, 383780, 414730, 479725, 829460, 959450, 1036825, 1285663, 1918900, 2073650, 2571326, 4147300, 5142652, 6428315, 12856630, 25713260, 32141575, 64283150, 128566300]

約数ペア:

[(1, 128566300), (2, 64283150), (4, 32141575), (5, 25713260), (10, 12856630), (20, 6428315), (25, 5142652), (31, 4147300), (50, 2571326), (62, 2073650), (67, 1918900), (100, 1285663), (124, 1036825), (134, 959450), (155, 829460), (268, 479725), (310, 414730), (335, 383780), (619, 207700), (620, 207365), (670, 191890), (775, 165892), (1238, 103850), (1340, 95945), (1550, 82946), (1675, 76756), (2077, 61900), (2476, 51925), (3095, 41540), (3100, 41473), (3350, 38378), (4154, 30950), (6190, 20770), (6700, 19189), (8308, 15475), (10385, 12380)]