287481870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245711}}^1$

素因数の和:245737

約数の個数: 48

約数和(自身を含む): 804952512

約数和(自身を除く): 517470642

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 245711, 491422, 737133, 1228555, 1474266, 2211399, 2457110, 3194243, 3685665, 4422798, 6388486, 7371330, 9582729, 11056995, 15971215, 19165458, 22113990, 28748187, 31942430, 47913645, 57496374, 95827290, 143740935, 287481870]

約数ペア:

[(1, 287481870), (2, 143740935), (3, 95827290), (5, 57496374), (6, 47913645), (9, 31942430), (10, 28748187), (13, 22113990), (15, 19165458), (18, 15971215), (26, 11056995), (30, 9582729), (39, 7371330), (45, 6388486), (65, 4422798), (78, 3685665), (90, 3194243), (117, 2457110), (130, 2211399), (195, 1474266), (234, 1228555), (390, 737133), (585, 491422), (1170, 245711)]