490295988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7877}}^1$

素因数の和:7926

約数の個数: 144

約数和(自身を含む): 1605851520

約数和(自身を除く): 1115555532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 52, 57, 63, 76, 78, 84, 91, 114, 117, 126, 133, 156, 171, 182, 228, 234, 247, 252, 266, 273, 342, 364, 399, 468, 494, 532, 546, 684, 741, 798, 819, 988, 1092, 1197, 1482, 1596, 1638, 1729, 2223, 2394, 2964, 3276, 3458, 4446, 4788, 5187, 6916, 7877, 8892, 10374, 15561, 15754, 20748, 23631, 31122, 31508, 47262, 55139, 62244, 70893, 94524, 102401, 110278, 141786, 149663, 165417, 204802, 220556, 283572, 299326, 307203, 330834, 409604, 448989, 496251, 598652, 614406, 661668, 716807, 897978, 921609, 992502, 1047641, 1228812, 1346967, 1433614, 1795956, 1843218, 1945619, 1985004, 2095282, 2150421, 2693934, 2867228, 3142923, 3686436, 3891238, 4190564, 4300842, 5387868, 5836857, 6285846, 6451263, 7782476, 8601684, 9428769, 11673714, 12571692, 12902526, 13619333, 17510571, 18857538, 23347428, 25805052, 27238666, 35021142, 37715076, 40857999, 54477332, 70042284, 81715998, 122573997, 163431996, 245147994, 490295988]

約数ペア:

[(1, 490295988), (2, 245147994), (3, 163431996), (4, 122573997), (6, 81715998), (7, 70042284), (9, 54477332), (12, 40857999), (13, 37715076), (14, 35021142), (18, 27238666), (19, 25805052), (21, 23347428), (26, 18857538), (28, 17510571), (36, 13619333), (38, 12902526), (39, 12571692), (42, 11673714), (52, 9428769), (57, 8601684), (63, 7782476), (76, 6451263), (78, 6285846), (84, 5836857), (91, 5387868), (114, 4300842), (117, 4190564), (126, 3891238), (133, 3686436), (156, 3142923), (171, 2867228), (182, 2693934), (228, 2150421), (234, 2095282), (247, 1985004), (252, 1945619), (266, 1843218), (273, 1795956), (342, 1433614), (364, 1346967), (399, 1228812), (468, 1047641), (494, 992502), (532, 921609), (546, 897978), (684, 716807), (741, 661668), (798, 614406), (819, 598652), (988, 496251), (1092, 448989), (1197, 409604), (1482, 330834), (1596, 307203), (1638, 299326), (1729, 283572), (2223, 220556), (2394, 204802), (2964, 165417), (3276, 149663), (3458, 141786), (4446, 110278), (4788, 102401), (5187, 94524), (6916, 70893), (7877, 62244), (8892, 55139), (10374, 47262), (15561, 31508), (15754, 31122), (20748, 23631)]