29981970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2543}}^1$

素因数の和:2687

約数の個数: 48

約数和(自身を含む): 78579072

約数和(自身を除く): 48597102

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1965, 2358, 2543, 3930, 5086, 5895, 7629, 11790, 12715, 15258, 22887, 25430, 38145, 45774, 76290, 114435, 228870, 333133, 666266, 999399, 1665665, 1998798, 2998197, 3331330, 4996995, 5996394, 9993990, 14990985, 29981970]

約数ペア:

[(1, 29981970), (2, 14990985), (3, 9993990), (5, 5996394), (6, 4996995), (9, 3331330), (10, 2998197), (15, 1998798), (18, 1665665), (30, 999399), (45, 666266), (90, 333133), (131, 228870), (262, 114435), (393, 76290), (655, 45774), (786, 38145), (1179, 25430), (1310, 22887), (1965, 15258), (2358, 12715), (2543, 11790), (3930, 7629), (5086, 5895)]