128876300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5939}}^1$

素因数の和:5991

約数の個数: 72

約数和(自身を含む): 329978880

約数和(自身を除く): 201102580

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, 4340, 5425, 5939, 10850, 11878, 21700, 23756, 29695, 41573, 59390, 83146, 118780, 148475, 166292, 184109, 207865, 296950, 368218, 415730, 593900, 736436, 831460, 920545, 1039325, 1288763, 1841090, 2078650, 2577526, 3682180, 4157300, 4602725, 5155052, 6443815, 9205450, 12887630, 18410900, 25775260, 32219075, 64438150, 128876300]

約数ペア:

[(1, 128876300), (2, 64438150), (4, 32219075), (5, 25775260), (7, 18410900), (10, 12887630), (14, 9205450), (20, 6443815), (25, 5155052), (28, 4602725), (31, 4157300), (35, 3682180), (50, 2577526), (62, 2078650), (70, 1841090), (100, 1288763), (124, 1039325), (140, 920545), (155, 831460), (175, 736436), (217, 593900), (310, 415730), (350, 368218), (434, 296950), (620, 207865), (700, 184109), (775, 166292), (868, 148475), (1085, 118780), (1550, 83146), (2170, 59390), (3100, 41573), (4340, 29695), (5425, 23756), (5939, 21700), (10850, 11878)]