200720052028

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{17669}}^1$

素因数の和:18055

約数の個数: 72

約数和(自身を含む): 386411518080

約数和(自身を除く): 185691466052

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 289, 317, 527, 578, 634, 1054, 1156, 1268, 2108, 5389, 8959, 9827, 10778, 17669, 17918, 19654, 21556, 35338, 35836, 39308, 70676, 91613, 167059, 183226, 300373, 334118, 366452, 547739, 600746, 668236, 1095478, 1201492, 2190956, 2840003, 5106341, 5601073, 5680006, 9311563, 10212682, 11202146, 11360012, 18623126, 20425364, 22404292, 37246252, 95218241, 158296571, 173633263, 190436482, 316593142, 347266526, 380872964, 633186284, 694533052, 1618710097, 2951765471, 3237420194, 5903530942, 6474840388, 11807061884, 50180013007, 100360026014, 200720052028]

約数ペア:

[(1, 200720052028), (2, 100360026014), (4, 50180013007), (17, 11807061884), (31, 6474840388), (34, 5903530942), (62, 3237420194), (68, 2951765471), (124, 1618710097), (289, 694533052), (317, 633186284), (527, 380872964), (578, 347266526), (634, 316593142), (1054, 190436482), (1156, 173633263), (1268, 158296571), (2108, 95218241), (5389, 37246252), (8959, 22404292), (9827, 20425364), (10778, 18623126), (17669, 11360012), (17918, 11202146), (19654, 10212682), (21556, 9311563), (35338, 5680006), (35836, 5601073), (39308, 5106341), (70676, 2840003), (91613, 2190956), (167059, 1201492), (183226, 1095478), (300373, 668236), (334118, 600746), (366452, 547739)]