281973832

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 692960400

約数和(自身を除く): 410986568

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 49, 56, 68, 76, 98, 119, 131, 133, 136, 152, 196, 238, 262, 266, 289, 323, 392, 476, 524, 532, 578, 646, 833, 917, 931, 952, 1048, 1064, 1156, 1292, 1666, 1834, 1862, 2023, 2227, 2261, 2312, 2489, 2584, 3332, 3668, 3724, 4046, 4454, 4522, 4978, 5491, 6419, 6664, 7336, 7448, 8092, 8908, 9044, 9956, 10982, 12838, 14161, 15589, 15827, 16184, 17423, 17816, 18088, 19912, 21964, 25676, 28322, 31178, 31654, 34846, 37859, 38437, 42313, 43928, 51352, 56644, 62356, 63308, 69692, 75718, 76874, 84626, 109123, 113288, 121961, 124712, 126616, 139384, 151436, 153748, 169252, 218246, 243922, 265013, 269059, 296191, 302872, 307496, 338504, 436492, 487844, 530026, 538118, 592382, 719321, 872984, 975688, 1060052, 1076236, 1184764, 1438642, 1855091, 2073337, 2120104, 2152472, 2369528, 2877284, 3710182, 4146674, 5035247, 5754568, 7420364, 8293348, 10070494, 14840728, 16586696, 20140988, 35246729, 40281976, 70493458, 140986916, 281973832]

約数ペア:

[(1, 281973832), (2, 140986916), (4, 70493458), (7, 40281976), (8, 35246729), (14, 20140988), (17, 16586696), (19, 14840728), (28, 10070494), (34, 8293348), (38, 7420364), (49, 5754568), (56, 5035247), (68, 4146674), (76, 3710182), (98, 2877284), (119, 2369528), (131, 2152472), (133, 2120104), (136, 2073337), (152, 1855091), (196, 1438642), (238, 1184764), (262, 1076236), (266, 1060052), (289, 975688), (323, 872984), (392, 719321), (476, 592382), (524, 538118), (532, 530026), (578, 487844), (646, 436492), (833, 338504), (917, 307496), (931, 302872), (952, 296191), (1048, 269059), (1064, 265013), (1156, 243922), (1292, 218246), (1666, 169252), (1834, 153748), (1862, 151436), (2023, 139384), (2227, 126616), (2261, 124712), (2312, 121961), (2489, 113288), (2584, 109123), (3332, 84626), (3668, 76874), (3724, 75718), (4046, 69692), (4454, 63308), (4522, 62356), (4978, 56644), (5491, 51352), (6419, 43928), (6664, 42313), (7336, 38437), (7448, 37859), (8092, 34846), (8908, 31654), (9044, 31178), (9956, 28322), (10982, 25676), (12838, 21964), (14161, 19912), (15589, 18088), (15827, 17816), (16184, 17423)]