888978940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{7507}}^1$

素因数の和:7738

約数の個数: 48

約数和(自身を含む): 1937424384

約数和(自身を除く): 1048445444

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 191, 310, 382, 620, 764, 955, 1910, 3820, 5921, 7507, 11842, 15014, 23684, 29605, 30028, 37535, 59210, 75070, 118420, 150140, 232717, 465434, 930868, 1163585, 1433837, 2327170, 2867674, 4654340, 5735348, 7169185, 14338370, 28676740, 44448947, 88897894, 177795788, 222244735, 444489470, 888978940]

約数ペア:

[(1, 888978940), (2, 444489470), (4, 222244735), (5, 177795788), (10, 88897894), (20, 44448947), (31, 28676740), (62, 14338370), (124, 7169185), (155, 5735348), (191, 4654340), (310, 2867674), (382, 2327170), (620, 1433837), (764, 1163585), (955, 930868), (1910, 465434), (3820, 232717), (5921, 150140), (7507, 118420), (11842, 75070), (15014, 59210), (23684, 37535), (29605, 30028)]