2009309950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{44701}}^1$

素因数の和:44773

約数の個数: 48

約数和(自身を含む): 3990994560

約数和(自身を除く): 1981684610

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 145, 155, 290, 310, 725, 775, 899, 1450, 1550, 1798, 4495, 8990, 22475, 44701, 44950, 89402, 223505, 447010, 1117525, 1296329, 1385731, 2235050, 2592658, 2771462, 6481645, 6928655, 12963290, 13857310, 32408225, 34643275, 40186199, 64816450, 69286550, 80372398, 200930995, 401861990, 1004654975, 2009309950]

約数ペア:

[(1, 2009309950), (2, 1004654975), (5, 401861990), (10, 200930995), (25, 80372398), (29, 69286550), (31, 64816450), (50, 40186199), (58, 34643275), (62, 32408225), (145, 13857310), (155, 12963290), (290, 6928655), (310, 6481645), (725, 2771462), (775, 2592658), (899, 2235050), (1450, 1385731), (1550, 1296329), (1798, 1117525), (4495, 447010), (8990, 223505), (22475, 89402), (44701, 44950)]