1900201860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{620981}}^1$

素因数の和:621013

約数の個数: 72

約数和(自身を含む): 6103011096

約数和(自身を除く): 4202809236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 620981, 1241962, 1862943, 2483924, 3104905, 3725886, 5588829, 6209810, 7451772, 9314715, 10556677, 11177658, 12419620, 18629430, 21113354, 22355316, 27944145, 31670031, 37258860, 42226708, 52783385, 55888290, 63340062, 95010093, 105566770, 111776580, 126680124, 158350155, 190020186, 211133540, 316700310, 380040372, 475050465, 633400620, 950100930, 1900201860]

約数ペア:

[(1, 1900201860), (2, 950100930), (3, 633400620), (4, 475050465), (5, 380040372), (6, 316700310), (9, 211133540), (10, 190020186), (12, 158350155), (15, 126680124), (17, 111776580), (18, 105566770), (20, 95010093), (30, 63340062), (34, 55888290), (36, 52783385), (45, 42226708), (51, 37258860), (60, 31670031), (68, 27944145), (85, 22355316), (90, 21113354), (102, 18629430), (153, 12419620), (170, 11177658), (180, 10556677), (204, 9314715), (255, 7451772), (306, 6209810), (340, 5588829), (510, 3725886), (612, 3104905), (765, 2483924), (1020, 1862943), (1530, 1241962), (3060, 620981)]