290220008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 606480000

約数和(自身を除く): 316259992

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 199, 296, 379, 398, 481, 758, 796, 962, 1516, 1592, 1924, 2587, 3032, 3848, 4927, 5174, 7363, 9854, 10348, 14023, 14726, 19708, 20696, 28046, 29452, 39416, 56092, 58904, 75421, 95719, 112184, 150842, 182299, 191438, 301684, 364598, 382876, 603368, 729196, 765752, 980473, 1458392, 1960946, 2790577, 3921892, 5581154, 7843784, 11162308, 22324616, 36277501, 72555002, 145110004, 290220008]

約数ペア:

[(1, 290220008), (2, 145110004), (4, 72555002), (8, 36277501), (13, 22324616), (26, 11162308), (37, 7843784), (52, 5581154), (74, 3921892), (104, 2790577), (148, 1960946), (199, 1458392), (296, 980473), (379, 765752), (398, 729196), (481, 603368), (758, 382876), (796, 364598), (962, 301684), (1516, 191438), (1592, 182299), (1924, 150842), (2587, 112184), (3032, 95719), (3848, 75421), (4927, 58904), (5174, 56092), (7363, 39416), (9854, 29452), (10348, 28046), (14023, 20696), (14726, 19708)]