278106640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6803}}^1$

素因数の和:6896

約数の個数: 80

約数和(自身を含む): 749202048

約数和(自身を除く): 471095408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 5110, 5840, 6803, 8176, 10220, 13606, 20440, 27212, 34015, 40880, 47621, 54424, 68030, 95242, 108848, 136060, 190484, 238105, 272120, 380968, 476210, 496619, 544240, 761936, 952420, 993238, 1904840, 1986476, 2483095, 3476333, 3809680, 3972952, 4966190, 6952666, 7945904, 9932380, 13905332, 17381665, 19864760, 27810664, 34763330, 39729520, 55621328, 69526660, 139053320, 278106640]

約数ペア:

[(1, 278106640), (2, 139053320), (4, 69526660), (5, 55621328), (7, 39729520), (8, 34763330), (10, 27810664), (14, 19864760), (16, 17381665), (20, 13905332), (28, 9932380), (35, 7945904), (40, 6952666), (56, 4966190), (70, 3972952), (73, 3809680), (80, 3476333), (112, 2483095), (140, 1986476), (146, 1904840), (280, 993238), (292, 952420), (365, 761936), (511, 544240), (560, 496619), (584, 476210), (730, 380968), (1022, 272120), (1168, 238105), (1460, 190484), (2044, 136060), (2555, 108848), (2920, 95242), (4088, 68030), (5110, 54424), (5840, 47621), (6803, 40880), (8176, 34015), (10220, 27212), (13606, 20440)]