198723812

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 467691840

約数和(自身を除く): 268968028

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 43, 49, 68, 73, 76, 86, 98, 119, 133, 146, 172, 196, 238, 266, 292, 301, 323, 476, 511, 532, 602, 646, 731, 817, 833, 931, 1022, 1204, 1241, 1292, 1387, 1462, 1634, 1666, 1862, 2044, 2107, 2261, 2482, 2774, 2924, 3139, 3268, 3332, 3577, 3724, 4214, 4522, 4964, 5117, 5548, 5719, 6278, 7154, 8428, 8687, 9044, 9709, 10234, 11438, 12556, 13889, 14308, 15827, 17374, 19418, 20468, 21973, 22876, 23579, 27778, 31654, 34748, 35819, 38836, 40033, 43946, 47158, 53363, 55556, 59641, 60809, 63308, 67963, 71638, 80066, 87892, 94316, 97223, 106726, 119282, 121618, 135926, 143276, 153811, 160132, 165053, 194446, 213452, 238564, 243236, 271852, 307622, 330106, 373541, 388892, 417487, 615244, 660212, 680561, 747082, 834974, 1013897, 1155371, 1361122, 1494164, 1669948, 2027794, 2310742, 2614787, 2722244, 2922409, 4055588, 4621484, 5229574, 5844818, 7097279, 10459148, 11689636, 14194558, 28389116, 49680953, 99361906, 198723812]

約数ペア:

[(1, 198723812), (2, 99361906), (4, 49680953), (7, 28389116), (14, 14194558), (17, 11689636), (19, 10459148), (28, 7097279), (34, 5844818), (38, 5229574), (43, 4621484), (49, 4055588), (68, 2922409), (73, 2722244), (76, 2614787), (86, 2310742), (98, 2027794), (119, 1669948), (133, 1494164), (146, 1361122), (172, 1155371), (196, 1013897), (238, 834974), (266, 747082), (292, 680561), (301, 660212), (323, 615244), (476, 417487), (511, 388892), (532, 373541), (602, 330106), (646, 307622), (731, 271852), (817, 243236), (833, 238564), (931, 213452), (1022, 194446), (1204, 165053), (1241, 160132), (1292, 153811), (1387, 143276), (1462, 135926), (1634, 121618), (1666, 119282), (1862, 106726), (2044, 97223), (2107, 94316), (2261, 87892), (2482, 80066), (2774, 71638), (2924, 67963), (3139, 63308), (3268, 60809), (3332, 59641), (3577, 55556), (3724, 53363), (4214, 47158), (4522, 43946), (4964, 40033), (5117, 38836), (5548, 35819), (5719, 34748), (6278, 31654), (7154, 27778), (8428, 23579), (8687, 22876), (9044, 21973), (9709, 20468), (10234, 19418), (11438, 17374), (12556, 15827), (13889, 14308)]