145995740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{21407}}^1$

素因数の和:21458

約数の個数: 48

約数和(自身を含む): 345268224

約数和(自身を除く): 199272484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 21407, 42814, 85628, 107035, 214070, 235477, 428140, 470954, 663617, 941908, 1177385, 1327234, 2354770, 2654468, 3318085, 4709540, 6636170, 7299787, 13272340, 14599574, 29199148, 36498935, 72997870, 145995740]

約数ペア:

[(1, 145995740), (2, 72997870), (4, 36498935), (5, 29199148), (10, 14599574), (11, 13272340), (20, 7299787), (22, 6636170), (31, 4709540), (44, 3318085), (55, 2654468), (62, 2354770), (110, 1327234), (124, 1177385), (155, 941908), (220, 663617), (310, 470954), (341, 428140), (620, 235477), (682, 214070), (1364, 107035), (1705, 85628), (3410, 42814), (6820, 21407)]