890397304

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 1953504000

約数和(自身を除く): 1063106696

約数列:

[1, 2, 4, 8, 17, 19, 34, 37, 38, 67, 68, 74, 76, 134, 136, 139, 148, 152, 268, 278, 296, 323, 536, 556, 629, 646, 703, 1112, 1139, 1258, 1273, 1292, 1406, 2278, 2363, 2479, 2516, 2546, 2584, 2641, 2812, 4556, 4726, 4958, 5032, 5092, 5143, 5282, 5624, 9112, 9313, 9452, 9916, 10184, 10286, 10564, 11951, 18626, 18904, 19832, 20572, 21128, 21641, 23902, 37252, 41144, 42143, 43282, 44897, 47101, 47804, 74504, 84286, 86564, 87431, 89794, 94202, 95608, 97717, 158321, 168572, 173128, 174862, 176947, 179588, 188404, 195434, 316642, 337144, 344581, 349724, 353894, 359176, 376808, 390868, 633284, 689162, 699448, 707788, 781736, 800717, 1266568, 1378324, 1415576, 1601434, 1661189, 2756648, 3008099, 3202868, 3322378, 5857877, 6016198, 6405736, 6547039, 6644756, 11715754, 12032396, 13094078, 13289512, 23431508, 24064792, 26188156, 46863016, 52376312, 111299663, 222599326, 445198652, 890397304]

約数ペア:

[(1, 890397304), (2, 445198652), (4, 222599326), (8, 111299663), (17, 52376312), (19, 46863016), (34, 26188156), (37, 24064792), (38, 23431508), (67, 13289512), (68, 13094078), (74, 12032396), (76, 11715754), (134, 6644756), (136, 6547039), (139, 6405736), (148, 6016198), (152, 5857877), (268, 3322378), (278, 3202868), (296, 3008099), (323, 2756648), (536, 1661189), (556, 1601434), (629, 1415576), (646, 1378324), (703, 1266568), (1112, 800717), (1139, 781736), (1258, 707788), (1273, 699448), (1292, 689162), (1406, 633284), (2278, 390868), (2363, 376808), (2479, 359176), (2516, 353894), (2546, 349724), (2584, 344581), (2641, 337144), (2812, 316642), (4556, 195434), (4726, 188404), (4958, 179588), (5032, 176947), (5092, 174862), (5143, 173128), (5282, 168572), (5624, 158321), (9112, 97717), (9313, 95608), (9452, 94202), (9916, 89794), (10184, 87431), (10286, 86564), (10564, 84286), (11951, 74504), (18626, 47804), (18904, 47101), (19832, 44897), (20572, 43282), (21128, 42143), (21641, 41144), (23902, 37252)]