388931270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:886

約数の個数: 128

約数和(自身を含む): 942907392

約数和(自身を除く): 553976122

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 31, 34, 35, 62, 65, 70, 85, 91, 119, 130, 155, 170, 182, 217, 221, 238, 310, 403, 434, 442, 455, 527, 595, 806, 811, 910, 1054, 1085, 1105, 1190, 1547, 1622, 2015, 2170, 2210, 2635, 2821, 3094, 3689, 4030, 4055, 5270, 5642, 5677, 6851, 7378, 7735, 8110, 10543, 11354, 13702, 13787, 14105, 15470, 18445, 21086, 25141, 27574, 28210, 28385, 34255, 36890, 47957, 50282, 52715, 56770, 68510, 68935, 73801, 95914, 96509, 105430, 125705, 137870, 147602, 175987, 179231, 193018, 239785, 251410, 326833, 351974, 358462, 369005, 427397, 479570, 482545, 653666, 738010, 854794, 879935, 896155, 965090, 1254617, 1634165, 1759870, 1792310, 2136985, 2287831, 2509234, 2991779, 3268330, 4273970, 4575662, 5556161, 5983558, 6273085, 11112322, 11439155, 12546170, 14958895, 22878310, 27780805, 29917790, 38893127, 55561610, 77786254, 194465635, 388931270]

約数ペア:

[(1, 388931270), (2, 194465635), (5, 77786254), (7, 55561610), (10, 38893127), (13, 29917790), (14, 27780805), (17, 22878310), (26, 14958895), (31, 12546170), (34, 11439155), (35, 11112322), (62, 6273085), (65, 5983558), (70, 5556161), (85, 4575662), (91, 4273970), (119, 3268330), (130, 2991779), (155, 2509234), (170, 2287831), (182, 2136985), (217, 1792310), (221, 1759870), (238, 1634165), (310, 1254617), (403, 965090), (434, 896155), (442, 879935), (455, 854794), (527, 738010), (595, 653666), (806, 482545), (811, 479570), (910, 427397), (1054, 369005), (1085, 358462), (1105, 351974), (1190, 326833), (1547, 251410), (1622, 239785), (2015, 193018), (2170, 179231), (2210, 175987), (2635, 147602), (2821, 137870), (3094, 125705), (3689, 105430), (4030, 96509), (4055, 95914), (5270, 73801), (5642, 68935), (5677, 68510), (6851, 56770), (7378, 52715), (7735, 50282), (8110, 47957), (10543, 36890), (11354, 34255), (13702, 28385), (13787, 28210), (14105, 27574), (15470, 25141), (18445, 21086)]