2181923156950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^2\times {\mathrm{191}}^1\times {\mathrm{317}}^1\times {\mathrm{857}}^1$

素因数の和:1435

約数の個数: 144

約数和(自身を含む): 4243427046144

約数和(自身を除く): 2061503889194

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 191, 290, 317, 382, 634, 725, 841, 857, 955, 1450, 1585, 1682, 1714, 1910, 3170, 4205, 4285, 4775, 5539, 7925, 8410, 8570, 9193, 9550, 11078, 15850, 18386, 21025, 21425, 24853, 27695, 42050, 42850, 45965, 49706, 55390, 60547, 91930, 121094, 124265, 138475, 160631, 163687, 229825, 248530, 266597, 271669, 276950, 302735, 321262, 327374, 459650, 533194, 543338, 605470, 621325, 720737, 803155, 818435, 1242650, 1332985, 1358345, 1441474, 1513675, 1606310, 1636870, 1755863, 2665970, 2716690, 3027350, 3511726, 3603685, 4015775, 4092175, 4746923, 6664925, 6791725, 7207370, 7878401, 8031550, 8184350, 8779315, 9493846, 13329850, 13583450, 15756802, 17558630, 18018425, 23734615, 36036850, 39392005, 43896575, 47469230, 50920027, 51888779, 78784010, 87793150, 101840054, 103777558, 118673075, 137660767, 196960025, 228473629, 237346150, 254600135, 259443895, 275321534, 393920050, 456947258, 509200270, 518887790, 688303835, 1142368145, 1273000675, 1297219475, 1376607670, 1504774591, 2284736290, 2546001350, 2594438950, 3009549182, 3441519175, 5711840725, 6883038350, 7523872955, 11423681450, 15047745910, 37619364775, 43638463139, 75238729550, 87276926278, 218192315695, 436384631390, 1090961578475, 2181923156950]

約数ペア:

[(1, 2181923156950), (2, 1090961578475), (5, 436384631390), (10, 218192315695), (25, 87276926278), (29, 75238729550), (50, 43638463139), (58, 37619364775), (145, 15047745910), (191, 11423681450), (290, 7523872955), (317, 6883038350), (382, 5711840725), (634, 3441519175), (725, 3009549182), (841, 2594438950), (857, 2546001350), (955, 2284736290), (1450, 1504774591), (1585, 1376607670), (1682, 1297219475), (1714, 1273000675), (1910, 1142368145), (3170, 688303835), (4205, 518887790), (4285, 509200270), (4775, 456947258), (5539, 393920050), (7925, 275321534), (8410, 259443895), (8570, 254600135), (9193, 237346150), (9550, 228473629), (11078, 196960025), (15850, 137660767), (18386, 118673075), (21025, 103777558), (21425, 101840054), (24853, 87793150), (27695, 78784010), (42050, 51888779), (42850, 50920027), (45965, 47469230), (49706, 43896575), (55390, 39392005), (60547, 36036850), (91930, 23734615), (121094, 18018425), (124265, 17558630), (138475, 15756802), (160631, 13583450), (163687, 13329850), (229825, 9493846), (248530, 8779315), (266597, 8184350), (271669, 8031550), (276950, 7878401), (302735, 7207370), (321262, 6791725), (327374, 6664925), (459650, 4746923), (533194, 4092175), (543338, 4015775), (605470, 3603685), (621325, 3511726), (720737, 3027350), (803155, 2716690), (818435, 2665970), (1242650, 1755863), (1332985, 1636870), (1358345, 1606310), (1441474, 1513675)]