17777935640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{1663}}^1$

素因数の和:1969

約数の個数: 128

約数和(自身を含む): 43130880000

約数和(自身を除く): 25352944360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 199, 316, 340, 395, 398, 632, 680, 790, 796, 995, 1343, 1580, 1592, 1663, 1990, 2686, 3160, 3326, 3383, 3980, 5372, 6652, 6715, 6766, 7960, 8315, 10744, 13304, 13430, 13532, 15721, 16630, 16915, 26860, 27064, 28271, 31442, 33260, 33830, 53720, 56542, 62884, 66520, 67660, 78605, 113084, 125768, 131377, 135320, 141355, 157210, 226168, 262754, 267257, 282710, 314420, 330937, 525508, 534514, 565420, 628840, 656885, 661874, 1051016, 1069028, 1130840, 1313770, 1323748, 1336285, 1654685, 2138056, 2233409, 2627540, 2647496, 2672570, 3309370, 4466818, 5255080, 5345140, 5625929, 6618740, 8933636, 10690280, 11167045, 11251858, 13237480, 17867272, 22334090, 22503716, 26144023, 28129645, 44668180, 45007432, 52288046, 56259290, 89336360, 104576092, 112518580, 130720115, 209152184, 225037160, 261440230, 444448391, 522880460, 888896782, 1045760920, 1777793564, 2222241955, 3555587128, 4444483910, 8888967820, 17777935640]

約数ペア:

[(1, 17777935640), (2, 8888967820), (4, 4444483910), (5, 3555587128), (8, 2222241955), (10, 1777793564), (17, 1045760920), (20, 888896782), (34, 522880460), (40, 444448391), (68, 261440230), (79, 225037160), (85, 209152184), (136, 130720115), (158, 112518580), (170, 104576092), (199, 89336360), (316, 56259290), (340, 52288046), (395, 45007432), (398, 44668180), (632, 28129645), (680, 26144023), (790, 22503716), (796, 22334090), (995, 17867272), (1343, 13237480), (1580, 11251858), (1592, 11167045), (1663, 10690280), (1990, 8933636), (2686, 6618740), (3160, 5625929), (3326, 5345140), (3383, 5255080), (3980, 4466818), (5372, 3309370), (6652, 2672570), (6715, 2647496), (6766, 2627540), (7960, 2233409), (8315, 2138056), (10744, 1654685), (13304, 1336285), (13430, 1323748), (13532, 1313770), (15721, 1130840), (16630, 1069028), (16915, 1051016), (26860, 661874), (27064, 656885), (28271, 628840), (31442, 565420), (33260, 534514), (33830, 525508), (53720, 330937), (56542, 314420), (62884, 282710), (66520, 267257), (67660, 262754), (78605, 226168), (113084, 157210), (125768, 141355), (131377, 135320)]