201251140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1\times {\mathrm{631}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 435746304

約数和(自身を除く): 234495164

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 431, 631, 740, 862, 1262, 1724, 2155, 2524, 3155, 4310, 6310, 8620, 12620, 15947, 23347, 31894, 46694, 63788, 79735, 93388, 116735, 159470, 233470, 271961, 318940, 466940, 543922, 1087844, 1359805, 2719610, 5439220, 10062557, 20125114, 40250228, 50312785, 100625570, 201251140]

約数ペア:

[(1, 201251140), (2, 100625570), (4, 50312785), (5, 40250228), (10, 20125114), (20, 10062557), (37, 5439220), (74, 2719610), (148, 1359805), (185, 1087844), (370, 543922), (431, 466940), (631, 318940), (740, 271961), (862, 233470), (1262, 159470), (1724, 116735), (2155, 93388), (2524, 79735), (3155, 63788), (4310, 46694), (6310, 31894), (8620, 23347), (12620, 15947)]