202663820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^2\times {\mathrm{71}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 449735328

約数和(自身を除く): 247071508

約数列:

[1, 2, 4, 5, 10, 20, 41, 59, 71, 82, 118, 142, 164, 205, 236, 284, 295, 355, 410, 590, 710, 820, 1180, 1420, 2419, 2911, 3481, 4189, 4838, 5822, 6962, 8378, 9676, 11644, 12095, 13924, 14555, 16756, 17405, 20945, 24190, 29110, 34810, 41890, 48380, 58220, 69620, 83780, 142721, 171749, 247151, 285442, 343498, 494302, 570884, 686996, 713605, 858745, 988604, 1235755, 1427210, 1717490, 2471510, 2854420, 3434980, 4943020, 10133191, 20266382, 40532764, 50665955, 101331910, 202663820]

約数ペア:

[(1, 202663820), (2, 101331910), (4, 50665955), (5, 40532764), (10, 20266382), (20, 10133191), (41, 4943020), (59, 3434980), (71, 2854420), (82, 2471510), (118, 1717490), (142, 1427210), (164, 1235755), (205, 988604), (236, 858745), (284, 713605), (295, 686996), (355, 570884), (410, 494302), (590, 343498), (710, 285442), (820, 247151), (1180, 171749), (1420, 142721), (2419, 83780), (2911, 69620), (3481, 58220), (4189, 48380), (4838, 41890), (5822, 34810), (6962, 29110), (8378, 24190), (9676, 20945), (11644, 17405), (12095, 16756), (13924, 14555)]