2679988890100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{25843673}}^1$

素因数の和:25843765

約数の個数: 72

約数和(自身を含む): 6258614219928

約数和(自身を除く): 3578625329828

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 61, 68, 85, 100, 122, 170, 244, 305, 340, 425, 610, 850, 1037, 1220, 1525, 1700, 2074, 3050, 4148, 5185, 6100, 10370, 20740, 25925, 51850, 103700, 25843673, 51687346, 103374692, 129218365, 258436730, 439342441, 516873460, 646091825, 878684882, 1292183650, 1576464053, 1757369764, 2196712205, 2584367300, 3152928106, 4393424410, 6305856212, 7882320265, 8786848820, 10983561025, 15764640530, 21967122050, 26799888901, 31529281060, 39411601325, 43934244100, 53599777802, 78823202650, 107199555604, 133999444505, 157646405300, 267998889010, 535997778020, 669997222525, 1339994445050, 2679988890100]

約数ペア:

[(1, 2679988890100), (2, 1339994445050), (4, 669997222525), (5, 535997778020), (10, 267998889010), (17, 157646405300), (20, 133999444505), (25, 107199555604), (34, 78823202650), (50, 53599777802), (61, 43934244100), (68, 39411601325), (85, 31529281060), (100, 26799888901), (122, 21967122050), (170, 15764640530), (244, 10983561025), (305, 8786848820), (340, 7882320265), (425, 6305856212), (610, 4393424410), (850, 3152928106), (1037, 2584367300), (1220, 2196712205), (1525, 1757369764), (1700, 1576464053), (2074, 1292183650), (3050, 878684882), (4148, 646091825), (5185, 516873460), (6100, 439342441), (10370, 258436730), (20740, 129218365), (25925, 103374692), (51850, 51687346), (103700, 25843673)]