201587870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 451630080

約数和(自身を除く): 250042210

約数列:

[1, 2, 5, 10, 11, 17, 22, 23, 34, 43, 46, 55, 85, 86, 109, 110, 115, 170, 187, 215, 218, 230, 253, 374, 391, 430, 473, 506, 545, 731, 782, 935, 946, 989, 1090, 1199, 1265, 1462, 1853, 1870, 1955, 1978, 2365, 2398, 2507, 2530, 3655, 3706, 3910, 4301, 4687, 4730, 4945, 5014, 5995, 7310, 8041, 8602, 9265, 9374, 9890, 10879, 11990, 12535, 16082, 16813, 18530, 20383, 21505, 21758, 23435, 25070, 27577, 33626, 40205, 40766, 42619, 43010, 46870, 51557, 54395, 55154, 79679, 80410, 84065, 85238, 101915, 103114, 107801, 108790, 137885, 159358, 168130, 184943, 203830, 213095, 215602, 257785, 275770, 369886, 398395, 426190, 468809, 515570, 539005, 796790, 876469, 924715, 937618, 1078010, 1185811, 1752938, 1832617, 1849430, 2344045, 2371622, 3665234, 4382345, 4688090, 5929055, 8764690, 9163085, 11858110, 18326170, 20158787, 40317574, 100793935, 201587870]

約数ペア:

[(1, 201587870), (2, 100793935), (5, 40317574), (10, 20158787), (11, 18326170), (17, 11858110), (22, 9163085), (23, 8764690), (34, 5929055), (43, 4688090), (46, 4382345), (55, 3665234), (85, 2371622), (86, 2344045), (109, 1849430), (110, 1832617), (115, 1752938), (170, 1185811), (187, 1078010), (215, 937618), (218, 924715), (230, 876469), (253, 796790), (374, 539005), (391, 515570), (430, 468809), (473, 426190), (506, 398395), (545, 369886), (731, 275770), (782, 257785), (935, 215602), (946, 213095), (989, 203830), (1090, 184943), (1199, 168130), (1265, 159358), (1462, 137885), (1853, 108790), (1870, 107801), (1955, 103114), (1978, 101915), (2365, 85238), (2398, 84065), (2507, 80410), (2530, 79679), (3655, 55154), (3706, 54395), (3910, 51557), (4301, 46870), (4687, 43010), (4730, 42619), (4945, 40766), (5014, 40205), (5995, 33626), (7310, 27577), (8041, 25070), (8602, 23435), (9265, 21758), (9374, 21505), (9890, 20383), (10879, 18530), (11990, 16813), (12535, 16082)]