139804720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2011}}^1$

素因数の和:2114

約数の個数: 80

約数和(自身を含む): 359262720

約数和(自身を除く): 219458000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 632, 790, 869, 880, 1264, 1580, 1738, 2011, 3160, 3476, 4022, 4345, 6320, 6952, 8044, 8690, 10055, 13904, 16088, 17380, 20110, 22121, 32176, 34760, 40220, 44242, 69520, 80440, 88484, 110605, 158869, 160880, 176968, 221210, 317738, 353936, 442420, 635476, 794345, 884840, 1270952, 1588690, 1747559, 1769680, 2541904, 3177380, 3495118, 6354760, 6990236, 8737795, 12709520, 13980472, 17475590, 27960944, 34951180, 69902360, 139804720]

約数ペア:

[(1, 139804720), (2, 69902360), (4, 34951180), (5, 27960944), (8, 17475590), (10, 13980472), (11, 12709520), (16, 8737795), (20, 6990236), (22, 6354760), (40, 3495118), (44, 3177380), (55, 2541904), (79, 1769680), (80, 1747559), (88, 1588690), (110, 1270952), (158, 884840), (176, 794345), (220, 635476), (316, 442420), (395, 353936), (440, 317738), (632, 221210), (790, 176968), (869, 160880), (880, 158869), (1264, 110605), (1580, 88484), (1738, 80440), (2011, 69520), (3160, 44242), (3476, 40220), (4022, 34760), (4345, 32176), (6320, 22121), (6952, 20110), (8044, 17380), (8690, 16088), (10055, 13904)]