2756031460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{216329}}^1$

素因数の和:216365

約数の個数: 72

約数和(自身を含む): 7250516280

約数和(自身を除く): 4494484820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 216329, 432658, 865316, 1081645, 1514303, 2163290, 2812277, 3028606, 4326580, 5624554, 6057212, 7571515, 10600121, 11249108, 14061385, 15143030, 19685939, 21200242, 28122770, 30286060, 39371878, 42400484, 53000605, 56245540, 78743756, 98429695, 106001210, 137801573, 196859390, 212002420, 275603146, 393718780, 551206292, 689007865, 1378015730, 2756031460]

約数ペア:

[(1, 2756031460), (2, 1378015730), (4, 689007865), (5, 551206292), (7, 393718780), (10, 275603146), (13, 212002420), (14, 196859390), (20, 137801573), (26, 106001210), (28, 98429695), (35, 78743756), (49, 56245540), (52, 53000605), (65, 42400484), (70, 39371878), (91, 30286060), (98, 28122770), (130, 21200242), (140, 19685939), (182, 15143030), (196, 14061385), (245, 11249108), (260, 10600121), (364, 7571515), (455, 6057212), (490, 5624554), (637, 4326580), (910, 3028606), (980, 2812277), (1274, 2163290), (1820, 1514303), (2548, 1081645), (3185, 865316), (6370, 432658), (12740, 216329)]