1277884900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{39563}}^1$

素因数の和:39613

約数の個数: 72

約数和(自身を含む): 3090739680

約数和(自身を除く): 1812854780

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 323, 340, 380, 425, 475, 646, 850, 950, 1292, 1615, 1700, 1900, 3230, 6460, 8075, 16150, 32300, 39563, 79126, 158252, 197815, 395630, 672571, 751697, 791260, 989075, 1345142, 1503394, 1978150, 2690284, 3006788, 3362855, 3758485, 3956300, 6725710, 7516970, 12778849, 13451420, 15033940, 16814275, 18792425, 25557698, 33628550, 37584850, 51115396, 63894245, 67257100, 75169700, 127788490, 255576980, 319471225, 638942450, 1277884900]

約数ペア:

[(1, 1277884900), (2, 638942450), (4, 319471225), (5, 255576980), (10, 127788490), (17, 75169700), (19, 67257100), (20, 63894245), (25, 51115396), (34, 37584850), (38, 33628550), (50, 25557698), (68, 18792425), (76, 16814275), (85, 15033940), (95, 13451420), (100, 12778849), (170, 7516970), (190, 6725710), (323, 3956300), (340, 3758485), (380, 3362855), (425, 3006788), (475, 2690284), (646, 1978150), (850, 1503394), (950, 1345142), (1292, 989075), (1615, 791260), (1700, 751697), (1900, 672571), (3230, 395630), (6460, 197815), (8075, 158252), (16150, 79126), (32300, 39563)]