203995715

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 320440320

約数和(自身を除く): 116444605

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 121, 145, 151, 203, 319, 385, 605, 755, 847, 1015, 1057, 1331, 1595, 1661, 2233, 3509, 4235, 4379, 5285, 6655, 8305, 9317, 11165, 11627, 17545, 18271, 21895, 24563, 30653, 38599, 46585, 48169, 58135, 91355, 122815, 127897, 153265, 192995, 200981, 240845, 270193, 337183, 529859, 639485, 1004905, 1350965, 1406867, 1685915, 2649295, 3709013, 5828449, 7034335, 18545065, 29142245, 40799143, 203995715]

約数ペア:

[(1, 203995715), (5, 40799143), (7, 29142245), (11, 18545065), (29, 7034335), (35, 5828449), (55, 3709013), (77, 2649295), (121, 1685915), (145, 1406867), (151, 1350965), (203, 1004905), (319, 639485), (385, 529859), (605, 337183), (755, 270193), (847, 240845), (1015, 200981), (1057, 192995), (1331, 153265), (1595, 127897), (1661, 122815), (2233, 91355), (3509, 58135), (4235, 48169), (4379, 46585), (5285, 38599), (6655, 30653), (8305, 24563), (9317, 21895), (11165, 18271), (11627, 17545)]