201985884

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 563297280

約数和(自身を除く): 361311396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 47, 57, 61, 76, 94, 103, 114, 122, 141, 171, 183, 188, 206, 228, 244, 282, 309, 342, 366, 412, 423, 549, 564, 618, 684, 732, 846, 893, 927, 1098, 1159, 1236, 1692, 1786, 1854, 1957, 2196, 2318, 2679, 2867, 3477, 3572, 3708, 3914, 4636, 4841, 5358, 5734, 5871, 6283, 6954, 7828, 8037, 8601, 9682, 10431, 10716, 11468, 11742, 12566, 13908, 14523, 16074, 17202, 17613, 18849, 19364, 20862, 23484, 25132, 25803, 29046, 32148, 34404, 35226, 37698, 41724, 43569, 51606, 54473, 56547, 58092, 70452, 75396, 87138, 91979, 103212, 108946, 113094, 119377, 163419, 174276, 183958, 217892, 226188, 238754, 275937, 295301, 326838, 358131, 367916, 477508, 490257, 551874, 590602, 653676, 716262, 827811, 885903, 980514, 1074393, 1103748, 1181204, 1432524, 1655622, 1771806, 1961028, 2148786, 2657709, 3311244, 3543612, 4297572, 5315418, 5610719, 10630836, 11221438, 16832157, 22442876, 33664314, 50496471, 67328628, 100992942, 201985884]

約数ペア:

[(1, 201985884), (2, 100992942), (3, 67328628), (4, 50496471), (6, 33664314), (9, 22442876), (12, 16832157), (18, 11221438), (19, 10630836), (36, 5610719), (38, 5315418), (47, 4297572), (57, 3543612), (61, 3311244), (76, 2657709), (94, 2148786), (103, 1961028), (114, 1771806), (122, 1655622), (141, 1432524), (171, 1181204), (183, 1103748), (188, 1074393), (206, 980514), (228, 885903), (244, 827811), (282, 716262), (309, 653676), (342, 590602), (366, 551874), (412, 490257), (423, 477508), (549, 367916), (564, 358131), (618, 326838), (684, 295301), (732, 275937), (846, 238754), (893, 226188), (927, 217892), (1098, 183958), (1159, 174276), (1236, 163419), (1692, 119377), (1786, 113094), (1854, 108946), (1957, 103212), (2196, 91979), (2318, 87138), (2679, 75396), (2867, 70452), (3477, 58092), (3572, 56547), (3708, 54473), (3914, 51606), (4636, 43569), (4841, 41724), (5358, 37698), (5734, 35226), (5871, 34404), (6283, 32148), (6954, 29046), (7828, 25803), (8037, 25132), (8601, 23484), (9682, 20862), (10431, 19364), (10716, 18849), (11468, 17613), (11742, 17202), (12566, 16074), (13908, 14523)]