138887560

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:276

約数の個数: 128

約数和(自身を含む): 373248000

約数和(自身を除く): 234360440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 53, 56, 70, 98, 106, 140, 191, 196, 212, 245, 265, 280, 343, 371, 382, 392, 424, 490, 530, 686, 742, 764, 955, 980, 1060, 1337, 1372, 1484, 1528, 1715, 1855, 1910, 1960, 2120, 2597, 2674, 2744, 2968, 3430, 3710, 3820, 5194, 5348, 6685, 6860, 7420, 7640, 9359, 10123, 10388, 10696, 12985, 13370, 13720, 14840, 18179, 18718, 20246, 20776, 25970, 26740, 36358, 37436, 40492, 46795, 50615, 51940, 53480, 65513, 70861, 72716, 74872, 80984, 90895, 93590, 101230, 103880, 131026, 141722, 145432, 181790, 187180, 202460, 262052, 283444, 327565, 354305, 363580, 374360, 404920, 496027, 524104, 566888, 655130, 708610, 727160, 992054, 1310260, 1417220, 1984108, 2480135, 2620520, 2834440, 3472189, 3968216, 4960270, 6944378, 9920540, 13888756, 17360945, 19841080, 27777512, 34721890, 69443780, 138887560]

約数ペア:

[(1, 138887560), (2, 69443780), (4, 34721890), (5, 27777512), (7, 19841080), (8, 17360945), (10, 13888756), (14, 9920540), (20, 6944378), (28, 4960270), (35, 3968216), (40, 3472189), (49, 2834440), (53, 2620520), (56, 2480135), (70, 1984108), (98, 1417220), (106, 1310260), (140, 992054), (191, 727160), (196, 708610), (212, 655130), (245, 566888), (265, 524104), (280, 496027), (343, 404920), (371, 374360), (382, 363580), (392, 354305), (424, 327565), (490, 283444), (530, 262052), (686, 202460), (742, 187180), (764, 181790), (955, 145432), (980, 141722), (1060, 131026), (1337, 103880), (1372, 101230), (1484, 93590), (1528, 90895), (1715, 80984), (1855, 74872), (1910, 72716), (1960, 70861), (2120, 65513), (2597, 53480), (2674, 51940), (2744, 50615), (2968, 46795), (3430, 40492), (3710, 37436), (3820, 36358), (5194, 26740), (5348, 25970), (6685, 20776), (6860, 20246), (7420, 18718), (7640, 18179), (9359, 14840), (10123, 13720), (10388, 13370), (10696, 12985)]