221178924

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:146

約数の個数: 180

約数和(自身を含む): 640250688

約数和(自身を除く): 419071764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 31, 36, 38, 54, 57, 61, 62, 76, 81, 93, 108, 114, 122, 124, 162, 171, 183, 186, 228, 244, 279, 324, 342, 361, 366, 372, 513, 549, 558, 589, 684, 722, 732, 837, 1026, 1083, 1098, 1116, 1159, 1178, 1444, 1539, 1647, 1674, 1767, 1891, 2052, 2166, 2196, 2318, 2356, 2511, 3078, 3249, 3294, 3348, 3477, 3534, 3782, 4332, 4636, 4941, 5022, 5301, 5673, 6156, 6498, 6588, 6954, 7068, 7564, 9747, 9882, 10044, 10431, 10602, 11191, 11346, 12996, 13908, 15903, 17019, 19494, 19764, 20862, 21204, 22021, 22382, 22692, 29241, 31293, 31806, 33573, 34038, 35929, 38988, 41724, 44042, 44764, 47709, 51057, 58482, 62586, 63612, 66063, 67146, 68076, 71858, 88084, 93879, 95418, 100719, 102114, 107787, 116964, 125172, 132126, 134292, 143716, 153171, 187758, 190836, 198189, 201438, 204228, 215574, 264252, 302157, 306342, 323361, 375516, 396378, 402876, 431148, 594567, 604314, 612684, 646722, 682651, 792756, 906471, 970083, 1189134, 1208628, 1293444, 1365302, 1783701, 1812942, 1940166, 2047953, 2378268, 2730604, 2910249, 3567402, 3625884, 3880332, 4095906, 5820498, 6143859, 7134804, 8191812, 11640996, 12287718, 18431577, 24575436, 36863154, 55294731, 73726308, 110589462, 221178924]

約数ペア:

[(1, 221178924), (2, 110589462), (3, 73726308), (4, 55294731), (6, 36863154), (9, 24575436), (12, 18431577), (18, 12287718), (19, 11640996), (27, 8191812), (31, 7134804), (36, 6143859), (38, 5820498), (54, 4095906), (57, 3880332), (61, 3625884), (62, 3567402), (76, 2910249), (81, 2730604), (93, 2378268), (108, 2047953), (114, 1940166), (122, 1812942), (124, 1783701), (162, 1365302), (171, 1293444), (183, 1208628), (186, 1189134), (228, 970083), (244, 906471), (279, 792756), (324, 682651), (342, 646722), (361, 612684), (366, 604314), (372, 594567), (513, 431148), (549, 402876), (558, 396378), (589, 375516), (684, 323361), (722, 306342), (732, 302157), (837, 264252), (1026, 215574), (1083, 204228), (1098, 201438), (1116, 198189), (1159, 190836), (1178, 187758), (1444, 153171), (1539, 143716), (1647, 134292), (1674, 132126), (1767, 125172), (1891, 116964), (2052, 107787), (2166, 102114), (2196, 100719), (2318, 95418), (2356, 93879), (2511, 88084), (3078, 71858), (3249, 68076), (3294, 67146), (3348, 66063), (3477, 63612), (3534, 62586), (3782, 58482), (4332, 51057), (4636, 47709), (4941, 44764), (5022, 44042), (5301, 41724), (5673, 38988), (6156, 35929), (6498, 34038), (6588, 33573), (6954, 31806), (7068, 31293), (7564, 29241), (9747, 22692), (9882, 22382), (10044, 22021), (10431, 21204), (10602, 20862), (11191, 19764), (11346, 19494), (12996, 17019), (13908, 15903)]