201576940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{1301}}^1$

素因数の和:1498

約数の個数: 48

約数和(自身を含む): 433972224

約数和(自身を除く): 232395284

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 127, 244, 254, 305, 508, 610, 635, 1220, 1270, 1301, 2540, 2602, 5204, 6505, 7747, 13010, 15494, 26020, 30988, 38735, 77470, 79361, 154940, 158722, 165227, 317444, 330454, 396805, 660908, 793610, 826135, 1587220, 1652270, 3304540, 10078847, 20157694, 40315388, 50394235, 100788470, 201576940]

約数ペア:

[(1, 201576940), (2, 100788470), (4, 50394235), (5, 40315388), (10, 20157694), (20, 10078847), (61, 3304540), (122, 1652270), (127, 1587220), (244, 826135), (254, 793610), (305, 660908), (508, 396805), (610, 330454), (635, 317444), (1220, 165227), (1270, 158722), (1301, 154940), (2540, 79361), (2602, 77470), (5204, 38735), (6505, 30988), (7747, 26020), (13010, 15494)]