201781580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10079}}^1$

素因数の和:10119

約数の個数: 96

約数和(自身を含む): 568995840

約数和(自身を除く): 367214260

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 4004, 5005, 10010, 10079, 20020, 20158, 40316, 50395, 70553, 100790, 110869, 131027, 141106, 201580, 221738, 262054, 282212, 352765, 443476, 524108, 554345, 655135, 705530, 776083, 917189, 1108690, 1310270, 1411060, 1441297, 1552166, 1834378, 2217380, 2620540, 2882594, 3104332, 3668756, 3880415, 4585945, 5765188, 7206485, 7760830, 9171890, 10089079, 14412970, 15521660, 18343780, 20178158, 28825940, 40356316, 50445395, 100890790, 201781580]

約数ペア:

[(1, 201781580), (2, 100890790), (4, 50445395), (5, 40356316), (7, 28825940), (10, 20178158), (11, 18343780), (13, 15521660), (14, 14412970), (20, 10089079), (22, 9171890), (26, 7760830), (28, 7206485), (35, 5765188), (44, 4585945), (52, 3880415), (55, 3668756), (65, 3104332), (70, 2882594), (77, 2620540), (91, 2217380), (110, 1834378), (130, 1552166), (140, 1441297), (143, 1411060), (154, 1310270), (182, 1108690), (220, 917189), (260, 776083), (286, 705530), (308, 655135), (364, 554345), (385, 524108), (455, 443476), (572, 352765), (715, 282212), (770, 262054), (910, 221738), (1001, 201580), (1430, 141106), (1540, 131027), (1820, 110869), (2002, 100790), (2860, 70553), (4004, 50395), (5005, 40316), (10010, 20158), (10079, 20020)]