99687757900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{130841}}^1$

素因数の和:131275

約数の個数: 72

約数和(自身を含む): 228277420560

約数和(自身を除く): 128589662660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 401, 475, 802, 950, 1604, 1900, 2005, 4010, 7619, 8020, 10025, 15238, 20050, 30476, 38095, 40100, 76190, 130841, 152380, 190475, 261682, 380950, 523364, 654205, 761900, 1308410, 2485979, 2616820, 3271025, 4971958, 6542050, 9943916, 12429895, 13084100, 24859790, 49719580, 52467241, 62149475, 104934482, 124298950, 209868964, 248597900, 262336205, 524672410, 996877579, 1049344820, 1311681025, 1993755158, 2623362050, 3987510316, 4984387895, 5246724100, 9968775790, 19937551580, 24921939475, 49843878950, 99687757900]

約数ペア:

[(1, 99687757900), (2, 49843878950), (4, 24921939475), (5, 19937551580), (10, 9968775790), (19, 5246724100), (20, 4984387895), (25, 3987510316), (38, 2623362050), (50, 1993755158), (76, 1311681025), (95, 1049344820), (100, 996877579), (190, 524672410), (380, 262336205), (401, 248597900), (475, 209868964), (802, 124298950), (950, 104934482), (1604, 62149475), (1900, 52467241), (2005, 49719580), (4010, 24859790), (7619, 13084100), (8020, 12429895), (10025, 9943916), (15238, 6542050), (20050, 4971958), (30476, 3271025), (38095, 2616820), (40100, 2485979), (76190, 1308410), (130841, 761900), (152380, 654205), (190475, 523364), (261682, 380950)]