665190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 1825200

約数和(自身を除く): 1160010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 389, 570, 778, 855, 1167, 1710, 1945, 2334, 3501, 3890, 5835, 7002, 7391, 11670, 14782, 17505, 22173, 35010, 36955, 44346, 66519, 73910, 110865, 133038, 221730, 332595, 665190]

約数ペア:

[(1, 665190), (2, 332595), (3, 221730), (5, 133038), (6, 110865), (9, 73910), (10, 66519), (15, 44346), (18, 36955), (19, 35010), (30, 22173), (38, 17505), (45, 14782), (57, 11670), (90, 7391), (95, 7002), (114, 5835), (171, 3890), (190, 3501), (285, 2334), (342, 1945), (389, 1710), (570, 1167), (778, 855)]