201870725

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 304444800

約数和(自身を除く): 102574075

約数列:

[1, 5, 7, 19, 25, 35, 95, 109, 133, 175, 475, 545, 557, 665, 763, 2071, 2725, 2785, 3325, 3815, 3899, 10355, 10583, 13925, 14497, 19075, 19495, 51775, 52915, 60713, 72485, 74081, 97475, 264575, 303565, 362425, 370405, 424991, 1153547, 1517825, 1852025, 2124955, 5767735, 8074829, 10624775, 28838675, 40374145, 201870725]

約数ペア:

[(1, 201870725), (5, 40374145), (7, 28838675), (19, 10624775), (25, 8074829), (35, 5767735), (95, 2124955), (109, 1852025), (133, 1517825), (175, 1153547), (475, 424991), (545, 370405), (557, 362425), (665, 303565), (763, 264575), (2071, 97475), (2725, 74081), (2785, 72485), (3325, 60713), (3815, 52915), (3899, 51775), (10355, 19495), (10583, 19075), (13925, 14497)]