2990100148

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:774

約数の個数: 144

約数和(自身を含む): 6887825280

約数和(自身を除く): 3897725132

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 49, 68, 73, 76, 98, 119, 133, 146, 196, 238, 266, 292, 323, 476, 511, 532, 646, 647, 833, 931, 1022, 1241, 1292, 1294, 1387, 1666, 1862, 2044, 2261, 2482, 2588, 2774, 3332, 3577, 3724, 4522, 4529, 4964, 5548, 7154, 8687, 9044, 9058, 9709, 10999, 12293, 14308, 15827, 17374, 18116, 19418, 21998, 23579, 24586, 31654, 31703, 34748, 38836, 43996, 47158, 47231, 49172, 60809, 63308, 63406, 67963, 76993, 86051, 94316, 94462, 121618, 126812, 135926, 153986, 165053, 172102, 188924, 208981, 243236, 271852, 307972, 330106, 330617, 344204, 417962, 538951, 602357, 660212, 661234, 802927, 835924, 897389, 1077902, 1155371, 1204714, 1322468, 1462867, 1605854, 1794778, 2155804, 2310742, 2314319, 2409428, 2925734, 3211708, 3589556, 4621484, 4628638, 5620489, 5851468, 6281723, 9257276, 10240069, 11240978, 12563446, 15255613, 20480138, 22481956, 25126892, 30511226, 39343423, 40960276, 43972061, 61022452, 78686846, 87944122, 106789291, 157373692, 175888244, 213578582, 427157164, 747525037, 1495050074, 2990100148]

約数ペア:

[(1, 2990100148), (2, 1495050074), (4, 747525037), (7, 427157164), (14, 213578582), (17, 175888244), (19, 157373692), (28, 106789291), (34, 87944122), (38, 78686846), (49, 61022452), (68, 43972061), (73, 40960276), (76, 39343423), (98, 30511226), (119, 25126892), (133, 22481956), (146, 20480138), (196, 15255613), (238, 12563446), (266, 11240978), (292, 10240069), (323, 9257276), (476, 6281723), (511, 5851468), (532, 5620489), (646, 4628638), (647, 4621484), (833, 3589556), (931, 3211708), (1022, 2925734), (1241, 2409428), (1292, 2314319), (1294, 2310742), (1387, 2155804), (1666, 1794778), (1862, 1605854), (2044, 1462867), (2261, 1322468), (2482, 1204714), (2588, 1155371), (2774, 1077902), (3332, 897389), (3577, 835924), (3724, 802927), (4522, 661234), (4529, 660212), (4964, 602357), (5548, 538951), (7154, 417962), (8687, 344204), (9044, 330617), (9058, 330106), (9709, 307972), (10999, 271852), (12293, 243236), (14308, 208981), (15827, 188924), (17374, 172102), (18116, 165053), (19418, 153986), (21998, 135926), (23579, 126812), (24586, 121618), (31654, 94462), (31703, 94316), (34748, 86051), (38836, 76993), (43996, 67963), (47158, 63406), (47231, 63308), (49172, 60809)]