201801475

素因数分解:

$5^2\times {\mathrm{17}}^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 279624960

約数和(自身を除く): 77823485

約数列:

[1, 5, 17, 25, 31, 53, 85, 155, 265, 289, 425, 527, 775, 901, 1325, 1445, 1643, 2635, 4505, 4913, 7225, 8215, 8959, 13175, 15317, 22525, 24565, 27931, 41075, 44795, 76585, 122825, 139655, 152303, 223975, 260389, 382925, 474827, 698275, 761515, 1301945, 2374135, 3807575, 6509725, 8072059, 11870675, 40360295, 201801475]

約数ペア:

[(1, 201801475), (5, 40360295), (17, 11870675), (25, 8072059), (31, 6509725), (53, 3807575), (85, 2374135), (155, 1301945), (265, 761515), (289, 698275), (425, 474827), (527, 382925), (775, 260389), (901, 223975), (1325, 152303), (1445, 139655), (1643, 122825), (2635, 76585), (4505, 44795), (4913, 41075), (7225, 27931), (8215, 24565), (8959, 22525), (13175, 15317)]