826640900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{293}}^1\times {\mathrm{317}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 1825898760

約数和(自身を除く): 999257860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 293, 317, 356, 445, 586, 634, 890, 1172, 1268, 1465, 1585, 1780, 2225, 2930, 3170, 4450, 5860, 6340, 7325, 7925, 8900, 14650, 15850, 26077, 28213, 29300, 31700, 52154, 56426, 92881, 104308, 112852, 130385, 141065, 185762, 260770, 282130, 371524, 464405, 521540, 564260, 651925, 705325, 928810, 1303850, 1410650, 1857620, 2322025, 2607700, 2821300, 4644050, 8266409, 9288100, 16532818, 33065636, 41332045, 82664090, 165328180, 206660225, 413320450, 826640900]

約数ペア:

[(1, 826640900), (2, 413320450), (4, 206660225), (5, 165328180), (10, 82664090), (20, 41332045), (25, 33065636), (50, 16532818), (89, 9288100), (100, 8266409), (178, 4644050), (293, 2821300), (317, 2607700), (356, 2322025), (445, 1857620), (586, 1410650), (634, 1303850), (890, 928810), (1172, 705325), (1268, 651925), (1465, 564260), (1585, 521540), (1780, 464405), (2225, 371524), (2930, 282130), (3170, 260770), (4450, 185762), (5860, 141065), (6340, 130385), (7325, 112852), (7925, 104308), (8900, 92881), (14650, 56426), (15850, 52154), (26077, 31700), (28213, 29300)]