837804520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 2204294400

約数和(自身を除く): 1366489880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 109, 140, 194, 218, 280, 283, 388, 436, 485, 545, 566, 679, 763, 776, 872, 970, 1090, 1132, 1358, 1415, 1526, 1940, 1981, 2180, 2264, 2716, 2830, 3052, 3395, 3815, 3880, 3962, 4360, 5432, 5660, 6104, 6790, 7630, 7924, 9905, 10573, 11320, 13580, 15260, 15848, 19810, 21146, 27160, 27451, 30520, 30847, 39620, 42292, 52865, 54902, 61694, 74011, 79240, 84584, 105730, 109804, 123388, 137255, 148022, 154235, 192157, 211460, 215929, 219608, 246776, 274510, 296044, 308470, 370055, 384314, 422920, 431858, 549020, 592088, 616940, 740110, 768628, 863716, 960785, 1079645, 1098040, 1233880, 1480220, 1537256, 1727432, 1921570, 2159290, 2960440, 2992159, 3843140, 4318580, 5984318, 7686280, 8637160, 11968636, 14960795, 20945113, 23937272, 29921590, 41890226, 59843180, 83780452, 104725565, 119686360, 167560904, 209451130, 418902260, 837804520]

約数ペア:

[(1, 837804520), (2, 418902260), (4, 209451130), (5, 167560904), (7, 119686360), (8, 104725565), (10, 83780452), (14, 59843180), (20, 41890226), (28, 29921590), (35, 23937272), (40, 20945113), (56, 14960795), (70, 11968636), (97, 8637160), (109, 7686280), (140, 5984318), (194, 4318580), (218, 3843140), (280, 2992159), (283, 2960440), (388, 2159290), (436, 1921570), (485, 1727432), (545, 1537256), (566, 1480220), (679, 1233880), (763, 1098040), (776, 1079645), (872, 960785), (970, 863716), (1090, 768628), (1132, 740110), (1358, 616940), (1415, 592088), (1526, 549020), (1940, 431858), (1981, 422920), (2180, 384314), (2264, 370055), (2716, 308470), (2830, 296044), (3052, 274510), (3395, 246776), (3815, 219608), (3880, 215929), (3962, 211460), (4360, 192157), (5432, 154235), (5660, 148022), (6104, 137255), (6790, 123388), (7630, 109804), (7924, 105730), (9905, 84584), (10573, 79240), (11320, 74011), (13580, 61694), (15260, 54902), (15848, 52865), (19810, 42292), (21146, 39620), (27160, 30847), (27451, 30520)]