204708140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{821}}^1$

素因数の和:987

約数の個数: 96

約数和(自身を含む): 533602944

約数和(自身を除く): 328894804

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 137, 140, 182, 260, 274, 364, 455, 548, 685, 821, 910, 959, 1370, 1642, 1781, 1820, 1918, 2740, 3284, 3562, 3836, 4105, 4795, 5747, 7124, 8210, 8905, 9590, 10673, 11494, 12467, 16420, 17810, 19180, 21346, 22988, 24934, 28735, 35620, 42692, 49868, 53365, 57470, 62335, 74711, 106730, 112477, 114940, 124670, 149422, 213460, 224954, 249340, 298844, 373555, 449908, 562385, 747110, 787339, 1124770, 1462201, 1494220, 1574678, 2249540, 2924402, 3149356, 3936695, 5848804, 7311005, 7873390, 10235407, 14622010, 15746780, 20470814, 29244020, 40941628, 51177035, 102354070, 204708140]

約数ペア:

[(1, 204708140), (2, 102354070), (4, 51177035), (5, 40941628), (7, 29244020), (10, 20470814), (13, 15746780), (14, 14622010), (20, 10235407), (26, 7873390), (28, 7311005), (35, 5848804), (52, 3936695), (65, 3149356), (70, 2924402), (91, 2249540), (130, 1574678), (137, 1494220), (140, 1462201), (182, 1124770), (260, 787339), (274, 747110), (364, 562385), (455, 449908), (548, 373555), (685, 298844), (821, 249340), (910, 224954), (959, 213460), (1370, 149422), (1642, 124670), (1781, 114940), (1820, 112477), (1918, 106730), (2740, 74711), (3284, 62335), (3562, 57470), (3836, 53365), (4105, 49868), (4795, 42692), (5747, 35620), (7124, 28735), (8210, 24934), (8905, 22988), (9590, 21346), (10673, 19180), (11494, 17810), (12467, 16420)]