4178900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 10311840

約数和(自身を除く): 6132940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 131, 145, 220, 262, 275, 290, 319, 524, 550, 580, 638, 655, 725, 1100, 1276, 1310, 1441, 1450, 1595, 2620, 2882, 2900, 3190, 3275, 3799, 5764, 6380, 6550, 7205, 7598, 7975, 13100, 14410, 15196, 15950, 18995, 28820, 31900, 36025, 37990, 41789, 72050, 75980, 83578, 94975, 144100, 167156, 189950, 208945, 379900, 417890, 835780, 1044725, 2089450, 4178900]

約数ペア:

[(1, 4178900), (2, 2089450), (4, 1044725), (5, 835780), (10, 417890), (11, 379900), (20, 208945), (22, 189950), (25, 167156), (29, 144100), (44, 94975), (50, 83578), (55, 75980), (58, 72050), (100, 41789), (110, 37990), (116, 36025), (131, 31900), (145, 28820), (220, 18995), (262, 15950), (275, 15196), (290, 14410), (319, 13100), (524, 7975), (550, 7598), (580, 7205), (638, 6550), (655, 6380), (725, 5764), (1100, 3799), (1276, 3275), (1310, 3190), (1441, 2900), (1450, 2882), (1595, 2620)]