980980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:54

約数の個数: 96

約数和(自身を含む): 2822400

約数和(自身を除く): 1841420

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 130, 140, 143, 154, 182, 196, 220, 245, 260, 286, 308, 343, 364, 385, 455, 490, 539, 572, 637, 686, 715, 770, 910, 980, 1001, 1078, 1274, 1372, 1430, 1540, 1715, 1820, 2002, 2156, 2548, 2695, 2860, 3185, 3430, 3773, 4004, 4459, 5005, 5390, 6370, 6860, 7007, 7546, 8918, 10010, 10780, 12740, 14014, 15092, 17836, 18865, 20020, 22295, 28028, 35035, 37730, 44590, 49049, 70070, 75460, 89180, 98098, 140140, 196196, 245245, 490490, 980980]

約数ペア:

[(1, 980980), (2, 490490), (4, 245245), (5, 196196), (7, 140140), (10, 98098), (11, 89180), (13, 75460), (14, 70070), (20, 49049), (22, 44590), (26, 37730), (28, 35035), (35, 28028), (44, 22295), (49, 20020), (52, 18865), (55, 17836), (65, 15092), (70, 14014), (77, 12740), (91, 10780), (98, 10010), (110, 8918), (130, 7546), (140, 7007), (143, 6860), (154, 6370), (182, 5390), (196, 5005), (220, 4459), (245, 4004), (260, 3773), (286, 3430), (308, 3185), (343, 2860), (364, 2695), (385, 2548), (455, 2156), (490, 2002), (539, 1820), (572, 1715), (637, 1540), (686, 1430), (715, 1372), (770, 1274), (910, 1078), (980, 1001)]