30331900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 68901840

約数和(自身を除く): 38569940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 59, 97, 100, 106, 118, 194, 212, 236, 265, 295, 388, 485, 530, 590, 970, 1060, 1180, 1325, 1475, 1940, 2425, 2650, 2950, 3127, 4850, 5141, 5300, 5723, 5900, 6254, 9700, 10282, 11446, 12508, 15635, 20564, 22892, 25705, 28615, 31270, 51410, 57230, 62540, 78175, 102820, 114460, 128525, 143075, 156350, 257050, 286150, 303319, 312700, 514100, 572300, 606638, 1213276, 1516595, 3033190, 6066380, 7582975, 15165950, 30331900]

約数ペア:

[(1, 30331900), (2, 15165950), (4, 7582975), (5, 6066380), (10, 3033190), (20, 1516595), (25, 1213276), (50, 606638), (53, 572300), (59, 514100), (97, 312700), (100, 303319), (106, 286150), (118, 257050), (194, 156350), (212, 143075), (236, 128525), (265, 114460), (295, 102820), (388, 78175), (485, 62540), (530, 57230), (590, 51410), (970, 31270), (1060, 28615), (1180, 25705), (1325, 22892), (1475, 20564), (1940, 15635), (2425, 12508), (2650, 11446), (2950, 10282), (3127, 9700), (4850, 6254), (5141, 5900), (5300, 5723)]