201430405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 282552192

約数和(自身を除く): 81121787

約数列:

[1, 5, 11, 31, 37, 55, 103, 155, 185, 341, 407, 515, 961, 1133, 1147, 1705, 2035, 3193, 3811, 4805, 5665, 5735, 10571, 12617, 15965, 19055, 35123, 35557, 41921, 52855, 63085, 98983, 118141, 175615, 177785, 209605, 391127, 494915, 590705, 1088813, 1299551, 1955635, 3662371, 5444065, 6497755, 18311855, 40286081, 201430405]

約数ペア:

[(1, 201430405), (5, 40286081), (11, 18311855), (31, 6497755), (37, 5444065), (55, 3662371), (103, 1955635), (155, 1299551), (185, 1088813), (341, 590705), (407, 494915), (515, 391127), (961, 209605), (1133, 177785), (1147, 175615), (1705, 118141), (2035, 98983), (3193, 63085), (3811, 52855), (4805, 41921), (5665, 35557), (5735, 35123), (10571, 19055), (12617, 15965)]