208078980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{203999}}^1$

素因数の和:204028

約数の個数: 48

約数和(自身を含む): 616896000

約数和(自身を除く): 408817020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 203999, 407998, 611997, 815996, 1019995, 1223994, 2039990, 2447988, 3059985, 3467983, 4079980, 6119970, 6935966, 10403949, 12239940, 13871932, 17339915, 20807898, 34679830, 41615796, 52019745, 69359660, 104039490, 208078980]

約数ペア:

[(1, 208078980), (2, 104039490), (3, 69359660), (4, 52019745), (5, 41615796), (6, 34679830), (10, 20807898), (12, 17339915), (15, 13871932), (17, 12239940), (20, 10403949), (30, 6935966), (34, 6119970), (51, 4079980), (60, 3467983), (68, 3059985), (85, 2447988), (102, 2039990), (170, 1223994), (204, 1019995), (255, 815996), (340, 611997), (510, 407998), (1020, 203999)]