1489477640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{279977}}^1$

素因数の和:280014

約数の個数: 64

約数和(自身を含む): 4031683200

約数和(自身を除く): 2542205560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 279977, 559954, 1119908, 1399885, 1959839, 2239816, 2799770, 3919678, 5319563, 5599540, 7839356, 9799195, 10639126, 11199080, 15678712, 19598390, 21278252, 26597815, 37236941, 39196780, 42556504, 53195630, 74473882, 78393560, 106391260, 148947764, 186184705, 212782520, 297895528, 372369410, 744738820, 1489477640]

約数ペア:

[(1, 1489477640), (2, 744738820), (4, 372369410), (5, 297895528), (7, 212782520), (8, 186184705), (10, 148947764), (14, 106391260), (19, 78393560), (20, 74473882), (28, 53195630), (35, 42556504), (38, 39196780), (40, 37236941), (56, 26597815), (70, 21278252), (76, 19598390), (95, 15678712), (133, 11199080), (140, 10639126), (152, 9799195), (190, 7839356), (266, 5599540), (280, 5319563), (380, 3919678), (532, 2799770), (665, 2239816), (760, 1959839), (1064, 1399885), (1330, 1119908), (2660, 559954), (5320, 279977)]