1782912792020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1\times {\mathrm{89101}}^1$

素因数の和:89613

約数の個数: 96

約数和(自身を含む): 3997208386080

約数和(自身を除く): 2214295594060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 229, 257, 340, 458, 514, 916, 1028, 1145, 1285, 2290, 2570, 3893, 4369, 4580, 5140, 7786, 8738, 15572, 17476, 19465, 21845, 38930, 43690, 58853, 77860, 87380, 89101, 117706, 178202, 235412, 294265, 356404, 445505, 588530, 891010, 1000501, 1177060, 1514717, 1782020, 2001002, 3029434, 4002004, 5002505, 6058868, 7573585, 10005010, 15147170, 20010020, 20404129, 22898957, 30294340, 40808258, 45797914, 81616516, 91595828, 102020645, 114494785, 204041290, 228989570, 346870193, 389282269, 408082580, 457979140, 693740386, 778564538, 1387480772, 1557129076, 1734350965, 1946411345, 3468701930, 3892822690, 5243861153, 6937403860, 7785645380, 10487722306, 20975444612, 26219305765, 52438611530, 89145639601, 104877223060, 178291279202, 356582558404, 445728198005, 891456396010, 1782912792020]

約数ペア:

[(1, 1782912792020), (2, 891456396010), (4, 445728198005), (5, 356582558404), (10, 178291279202), (17, 104877223060), (20, 89145639601), (34, 52438611530), (68, 26219305765), (85, 20975444612), (170, 10487722306), (229, 7785645380), (257, 6937403860), (340, 5243861153), (458, 3892822690), (514, 3468701930), (916, 1946411345), (1028, 1734350965), (1145, 1557129076), (1285, 1387480772), (2290, 778564538), (2570, 693740386), (3893, 457979140), (4369, 408082580), (4580, 389282269), (5140, 346870193), (7786, 228989570), (8738, 204041290), (15572, 114494785), (17476, 102020645), (19465, 91595828), (21845, 81616516), (38930, 45797914), (43690, 40808258), (58853, 30294340), (77860, 22898957), (87380, 20404129), (89101, 20010020), (117706, 15147170), (178202, 10005010), (235412, 7573585), (294265, 6058868), (356404, 5002505), (445505, 4002004), (588530, 3029434), (891010, 2001002), (1000501, 1782020), (1177060, 1514717)]