64705300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{997}}^1$

素因数の和:1081

約数の個数: 72

約数和(自身を含む): 155927520

約数和(自身を除く): 91222220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 59, 100, 110, 118, 220, 236, 275, 295, 550, 590, 649, 997, 1100, 1180, 1298, 1475, 1994, 2596, 2950, 3245, 3988, 4985, 5900, 6490, 9970, 10967, 12980, 16225, 19940, 21934, 24925, 32450, 43868, 49850, 54835, 58823, 64900, 99700, 109670, 117646, 219340, 235292, 274175, 294115, 548350, 588230, 647053, 1096700, 1176460, 1294106, 1470575, 2588212, 2941150, 3235265, 5882300, 6470530, 12941060, 16176325, 32352650, 64705300]

約数ペア:

[(1, 64705300), (2, 32352650), (4, 16176325), (5, 12941060), (10, 6470530), (11, 5882300), (20, 3235265), (22, 2941150), (25, 2588212), (44, 1470575), (50, 1294106), (55, 1176460), (59, 1096700), (100, 647053), (110, 588230), (118, 548350), (220, 294115), (236, 274175), (275, 235292), (295, 219340), (550, 117646), (590, 109670), (649, 99700), (997, 64900), (1100, 58823), (1180, 54835), (1298, 49850), (1475, 43868), (1994, 32450), (2596, 24925), (2950, 21934), (3245, 19940), (3988, 16225), (4985, 12980), (5900, 10967), (6490, 9970)]