490439950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:323

約数の個数: 192

約数和(自身を含む): 1259919360

約数和(自身を除く): 769479410

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 25, 26, 35, 41, 50, 55, 65, 70, 77, 82, 91, 110, 130, 143, 154, 175, 182, 205, 239, 275, 286, 287, 325, 350, 385, 410, 451, 455, 478, 533, 550, 574, 650, 715, 770, 902, 910, 1001, 1025, 1066, 1195, 1430, 1435, 1673, 1925, 2002, 2050, 2255, 2275, 2390, 2629, 2665, 2870, 3107, 3157, 3346, 3575, 3731, 3850, 4510, 4550, 5005, 5258, 5330, 5863, 5975, 6214, 6314, 7150, 7175, 7462, 8365, 9799, 10010, 11275, 11726, 11950, 13145, 13325, 14350, 15535, 15785, 16730, 18403, 18655, 19598, 21749, 22550, 25025, 26290, 26650, 29315, 31070, 31570, 34177, 36806, 37310, 41041, 41825, 43498, 48995, 50050, 58630, 65725, 68354, 68593, 77675, 78925, 82082, 83650, 92015, 93275, 97990, 107789, 108745, 127387, 131450, 137186, 146575, 155350, 157850, 170885, 184030, 186550, 205205, 215578, 217490, 239239, 244975, 254774, 293150, 341770, 342965, 410410, 460075, 478478, 489950, 538945, 543725, 636935, 685930, 754523, 854425, 891709, 920150, 1026025, 1077890, 1087450, 1196195, 1273870, 1401257, 1509046, 1708850, 1714825, 1783418, 2052050, 2392390, 2694725, 2802514, 3184675, 3429650, 3772615, 4458545, 5389450, 5980975, 6369350, 7006285, 7545230, 8917090, 9808799, 11961950, 14012570, 18863075, 19617598, 22292725, 35031425, 37726150, 44585450, 49043995, 70062850, 98087990, 245219975, 490439950]

約数ペア:

[(1, 490439950), (2, 245219975), (5, 98087990), (7, 70062850), (10, 49043995), (11, 44585450), (13, 37726150), (14, 35031425), (22, 22292725), (25, 19617598), (26, 18863075), (35, 14012570), (41, 11961950), (50, 9808799), (55, 8917090), (65, 7545230), (70, 7006285), (77, 6369350), (82, 5980975), (91, 5389450), (110, 4458545), (130, 3772615), (143, 3429650), (154, 3184675), (175, 2802514), (182, 2694725), (205, 2392390), (239, 2052050), (275, 1783418), (286, 1714825), (287, 1708850), (325, 1509046), (350, 1401257), (385, 1273870), (410, 1196195), (451, 1087450), (455, 1077890), (478, 1026025), (533, 920150), (550, 891709), (574, 854425), (650, 754523), (715, 685930), (770, 636935), (902, 543725), (910, 538945), (1001, 489950), (1025, 478478), (1066, 460075), (1195, 410410), (1430, 342965), (1435, 341770), (1673, 293150), (1925, 254774), (2002, 244975), (2050, 239239), (2255, 217490), (2275, 215578), (2390, 205205), (2629, 186550), (2665, 184030), (2870, 170885), (3107, 157850), (3157, 155350), (3346, 146575), (3575, 137186), (3731, 131450), (3850, 127387), (4510, 108745), (4550, 107789), (5005, 97990), (5258, 93275), (5330, 92015), (5863, 83650), (5975, 82082), (6214, 78925), (6314, 77675), (7150, 68593), (7175, 68354), (7462, 65725), (8365, 58630), (9799, 50050), (10010, 48995), (11275, 43498), (11726, 41825), (11950, 41041), (13145, 37310), (13325, 36806), (14350, 34177), (15535, 31570), (15785, 31070), (16730, 29315), (18403, 26650), (18655, 26290), (19598, 25025), (21749, 22550)]