838069540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{77743}}^1$

素因数の和:77777

約数の個数: 72

約数和(自身を含む): 2233429632

約数和(自身を除く): 1395360092

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 77743, 155486, 310972, 388715, 544201, 777430, 855173, 1088402, 1554860, 1710346, 2176804, 2721005, 3420692, 3809407, 4275865, 5442010, 5986211, 7618814, 8551730, 10884020, 11972422, 15237628, 17103460, 19047035, 23944844, 29931055, 38094070, 41903477, 59862110, 76188140, 83806954, 119724220, 167613908, 209517385, 419034770, 838069540]

約数ペア:

[(1, 838069540), (2, 419034770), (4, 209517385), (5, 167613908), (7, 119724220), (10, 83806954), (11, 76188140), (14, 59862110), (20, 41903477), (22, 38094070), (28, 29931055), (35, 23944844), (44, 19047035), (49, 17103460), (55, 15237628), (70, 11972422), (77, 10884020), (98, 8551730), (110, 7618814), (140, 5986211), (154, 5442010), (196, 4275865), (220, 3809407), (245, 3420692), (308, 2721005), (385, 2176804), (490, 1710346), (539, 1554860), (770, 1088402), (980, 855173), (1078, 777430), (1540, 544201), (2156, 388715), (2695, 310972), (5390, 155486), (10780, 77743)]