196784980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{1777}}^1$

素因数の和:1913

約数の個数: 72

約数和(自身を含む): 485244648

約数和(自身を除く): 288459668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 113, 140, 196, 226, 245, 452, 490, 565, 791, 980, 1130, 1582, 1777, 2260, 3164, 3554, 3955, 5537, 7108, 7910, 8885, 11074, 12439, 15820, 17770, 22148, 24878, 27685, 35540, 49756, 55370, 62195, 87073, 110740, 124390, 174146, 200801, 248780, 348292, 401602, 435365, 803204, 870730, 1004005, 1405607, 1741460, 2008010, 2811214, 4016020, 5622428, 7028035, 9839249, 14056070, 19678498, 28112140, 39356996, 49196245, 98392490, 196784980]

約数ペア:

[(1, 196784980), (2, 98392490), (4, 49196245), (5, 39356996), (7, 28112140), (10, 19678498), (14, 14056070), (20, 9839249), (28, 7028035), (35, 5622428), (49, 4016020), (70, 2811214), (98, 2008010), (113, 1741460), (140, 1405607), (196, 1004005), (226, 870730), (245, 803204), (452, 435365), (490, 401602), (565, 348292), (791, 248780), (980, 200801), (1130, 174146), (1582, 124390), (1777, 110740), (2260, 87073), (3164, 62195), (3554, 55370), (3955, 49756), (5537, 35540), (7108, 27685), (7910, 24878), (8885, 22148), (11074, 17770), (12439, 15820)]