202140905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1303}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 270397440

約数和(自身を除く): 68256535

約数列:

[1, 5, 19, 23, 71, 95, 115, 355, 437, 1303, 1349, 1633, 2185, 6515, 6745, 8165, 24757, 29969, 31027, 92513, 123785, 149845, 155135, 462565, 569411, 1757747, 2127799, 2847055, 8788735, 10638995, 40428181, 202140905]

約数ペア:

[(1, 202140905), (5, 40428181), (19, 10638995), (23, 8788735), (71, 2847055), (95, 2127799), (115, 1757747), (355, 569411), (437, 462565), (1303, 155135), (1349, 149845), (1633, 123785), (2185, 92513), (6515, 31027), (6745, 29969), (8165, 24757)]