39877518100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{389}}^1\times {\mathrm{20921}}^1$

素因数の和:21338

約数の個数: 108

約数和(自身を含む): 100925845020

約数和(自身を除く): 61048326920

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 389, 490, 700, 778, 980, 1225, 1556, 1945, 2450, 2723, 3890, 4900, 5446, 7780, 9725, 10892, 13615, 19061, 19450, 20921, 27230, 38122, 38900, 41842, 54460, 68075, 76244, 83684, 95305, 104605, 136150, 146447, 190610, 209210, 272300, 292894, 381220, 418420, 476525, 523025, 585788, 732235, 953050, 1025129, 1046050, 1464470, 1906100, 2050258, 2092100, 2928940, 3661175, 4100516, 5125645, 7322350, 8138269, 10251290, 14644700, 16276538, 20502580, 25628225, 32553076, 40691345, 51256450, 56967883, 81382690, 102512900, 113935766, 162765380, 203456725, 227871532, 284839415, 398775181, 406913450, 569678830, 797550362, 813826900, 1139357660, 1424197075, 1595100724, 1993875905, 2848394150, 3987751810, 5696788300, 7975503620, 9969379525, 19938759050, 39877518100]

約数ペア:

[(1, 39877518100), (2, 19938759050), (4, 9969379525), (5, 7975503620), (7, 5696788300), (10, 3987751810), (14, 2848394150), (20, 1993875905), (25, 1595100724), (28, 1424197075), (35, 1139357660), (49, 813826900), (50, 797550362), (70, 569678830), (98, 406913450), (100, 398775181), (140, 284839415), (175, 227871532), (196, 203456725), (245, 162765380), (350, 113935766), (389, 102512900), (490, 81382690), (700, 56967883), (778, 51256450), (980, 40691345), (1225, 32553076), (1556, 25628225), (1945, 20502580), (2450, 16276538), (2723, 14644700), (3890, 10251290), (4900, 8138269), (5446, 7322350), (7780, 5125645), (9725, 4100516), (10892, 3661175), (13615, 2928940), (19061, 2092100), (19450, 2050258), (20921, 1906100), (27230, 1464470), (38122, 1046050), (38900, 1025129), (41842, 953050), (54460, 732235), (68075, 585788), (76244, 523025), (83684, 476525), (95305, 418420), (104605, 381220), (136150, 292894), (146447, 272300), (190610, 209210)]