201894455

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 293025600

約数和(自身を除く): 91131145

約数列:

[1, 5, 7, 35, 41, 49, 101, 199, 205, 245, 287, 505, 707, 995, 1393, 1435, 2009, 3535, 4141, 4949, 6965, 8159, 9751, 10045, 20099, 20705, 24745, 28987, 40795, 48755, 57113, 100495, 140693, 144935, 202909, 285565, 399791, 703465, 824059, 984851, 1014545, 1998955, 4120295, 4924255, 5768413, 28842065, 40378891, 201894455]

約数ペア:

[(1, 201894455), (5, 40378891), (7, 28842065), (35, 5768413), (41, 4924255), (49, 4120295), (101, 1998955), (199, 1014545), (205, 984851), (245, 824059), (287, 703465), (505, 399791), (707, 285565), (995, 202909), (1393, 144935), (1435, 140693), (2009, 100495), (3535, 57113), (4141, 48755), (4949, 40795), (6965, 28987), (8159, 24745), (9751, 20705), (10045, 20099)]