200799980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{11243}}^1$

素因数の和:11318

約数の個数: 48

約数和(自身を含む): 453358080

約数和(自身を除く): 252558100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3572, 4465, 8930, 11243, 17860, 22486, 44972, 56215, 112430, 213617, 224860, 427234, 528421, 854468, 1056842, 1068085, 2113684, 2136170, 2642105, 4272340, 5284210, 10039999, 10568420, 20079998, 40159996, 50199995, 100399990, 200799980]

約数ペア:

[(1, 200799980), (2, 100399990), (4, 50199995), (5, 40159996), (10, 20079998), (19, 10568420), (20, 10039999), (38, 5284210), (47, 4272340), (76, 2642105), (94, 2136170), (95, 2113684), (188, 1068085), (190, 1056842), (235, 854468), (380, 528421), (470, 427234), (893, 224860), (940, 213617), (1786, 112430), (3572, 56215), (4465, 44972), (8930, 22486), (11243, 17860)]