1851030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 4880304

約数和(自身を除く): 3029274

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 157, 262, 314, 393, 471, 655, 785, 786, 942, 1179, 1310, 1413, 1570, 1965, 2355, 2358, 2826, 3930, 4710, 5895, 7065, 11790, 14130, 20567, 41134, 61701, 102835, 123402, 185103, 205670, 308505, 370206, 617010, 925515, 1851030]

約数ペア:

[(1, 1851030), (2, 925515), (3, 617010), (5, 370206), (6, 308505), (9, 205670), (10, 185103), (15, 123402), (18, 102835), (30, 61701), (45, 41134), (90, 20567), (131, 14130), (157, 11790), (262, 7065), (314, 5895), (393, 4710), (471, 3930), (655, 2826), (785, 2358), (786, 2355), (942, 1965), (1179, 1570), (1310, 1413)]