201302440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 511038720

約数和(自身を除く): 309736280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 61, 68, 85, 92, 115, 122, 136, 170, 184, 211, 230, 244, 305, 340, 391, 422, 460, 488, 610, 680, 782, 844, 920, 1037, 1055, 1220, 1403, 1564, 1688, 1955, 2074, 2110, 2440, 2806, 3128, 3587, 3910, 4148, 4220, 4853, 5185, 5612, 7015, 7174, 7820, 8296, 8440, 9706, 10370, 11224, 12871, 14030, 14348, 15640, 17935, 19412, 20740, 23851, 24265, 25742, 28060, 28696, 35870, 38824, 41480, 47702, 48530, 51484, 56120, 64355, 71740, 82501, 95404, 97060, 102968, 119255, 128710, 143480, 165002, 190808, 194120, 218807, 238510, 257420, 296033, 330004, 412505, 437614, 477020, 514840, 592066, 660008, 825010, 875228, 954040, 1094035, 1184132, 1480165, 1650020, 1750456, 2188070, 2368264, 2960330, 3300040, 4376140, 5032561, 5920660, 8752280, 10065122, 11841320, 20130244, 25162805, 40260488, 50325610, 100651220, 201302440]

約数ペア:

[(1, 201302440), (2, 100651220), (4, 50325610), (5, 40260488), (8, 25162805), (10, 20130244), (17, 11841320), (20, 10065122), (23, 8752280), (34, 5920660), (40, 5032561), (46, 4376140), (61, 3300040), (68, 2960330), (85, 2368264), (92, 2188070), (115, 1750456), (122, 1650020), (136, 1480165), (170, 1184132), (184, 1094035), (211, 954040), (230, 875228), (244, 825010), (305, 660008), (340, 592066), (391, 514840), (422, 477020), (460, 437614), (488, 412505), (610, 330004), (680, 296033), (782, 257420), (844, 238510), (920, 218807), (1037, 194120), (1055, 190808), (1220, 165002), (1403, 143480), (1564, 128710), (1688, 119255), (1955, 102968), (2074, 97060), (2110, 95404), (2440, 82501), (2806, 71740), (3128, 64355), (3587, 56120), (3910, 51484), (4148, 48530), (4220, 47702), (4853, 41480), (5185, 38824), (5612, 35870), (7015, 28696), (7174, 28060), (7820, 25742), (8296, 24265), (8440, 23851), (9706, 20740), (10370, 19412), (11224, 17935), (12871, 15640), (14030, 14348)]