571009900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:228

約数の個数: 108

約数和(自身を含む): 1316535528

約数和(自身を除く): 745525628

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 43, 50, 74, 86, 97, 100, 148, 172, 185, 194, 215, 370, 388, 430, 485, 740, 860, 925, 970, 1075, 1369, 1591, 1850, 1940, 2150, 2425, 2738, 3182, 3589, 3700, 4171, 4300, 4850, 5476, 6364, 6845, 7178, 7955, 8342, 9700, 13690, 14356, 15910, 16684, 17945, 20855, 27380, 31820, 34225, 35890, 39775, 41710, 58867, 68450, 71780, 79550, 83420, 89725, 104275, 117734, 132793, 136900, 154327, 159100, 179450, 208550, 235468, 265586, 294335, 308654, 358900, 417100, 531172, 588670, 617308, 663965, 771635, 1177340, 1327930, 1471675, 1543270, 2655860, 2943350, 3086540, 3319825, 3858175, 5710099, 5886700, 6639650, 7716350, 11420198, 13279300, 15432700, 22840396, 28550495, 57100990, 114201980, 142752475, 285504950, 571009900]

約数ペア:

[(1, 571009900), (2, 285504950), (4, 142752475), (5, 114201980), (10, 57100990), (20, 28550495), (25, 22840396), (37, 15432700), (43, 13279300), (50, 11420198), (74, 7716350), (86, 6639650), (97, 5886700), (100, 5710099), (148, 3858175), (172, 3319825), (185, 3086540), (194, 2943350), (215, 2655860), (370, 1543270), (388, 1471675), (430, 1327930), (485, 1177340), (740, 771635), (860, 663965), (925, 617308), (970, 588670), (1075, 531172), (1369, 417100), (1591, 358900), (1850, 308654), (1940, 294335), (2150, 265586), (2425, 235468), (2738, 208550), (3182, 179450), (3589, 159100), (3700, 154327), (4171, 136900), (4300, 132793), (4850, 117734), (5476, 104275), (6364, 89725), (6845, 83420), (7178, 79550), (7955, 71780), (8342, 68450), (9700, 58867), (13690, 41710), (14356, 39775), (15910, 35890), (16684, 34225), (17945, 31820), (20855, 27380)]