643519542020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1\times {\mathrm{28001}}^1$

素因数の和:28533

約数の個数: 96

約数和(自身を含む): 1434446133120

約数和(自身を除く): 790926591100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 197, 307, 380, 394, 614, 788, 985, 1228, 1535, 1970, 3070, 3743, 3940, 5833, 6140, 7486, 11666, 14972, 18715, 23332, 28001, 29165, 37430, 56002, 58330, 60479, 74860, 112004, 116660, 120958, 140005, 241916, 280010, 302395, 532019, 560020, 604790, 1064038, 1149101, 1209580, 2128076, 2298202, 2660095, 4596404, 5320190, 5516197, 5745505, 8596307, 10640380, 11032394, 11491010, 17192614, 22064788, 22982020, 27580985, 34385228, 42981535, 55161970, 85963070, 104807743, 110323940, 163329833, 171926140, 209615486, 326659666, 419230972, 524038715, 653319332, 816649165, 1048077430, 1633298330, 1693472479, 2096154860, 3266596660, 3386944958, 6773889916, 8467362395, 16934724790, 32175977101, 33869449580, 64351954202, 128703908404, 160879885505, 321759771010, 643519542020]

約数ペア:

[(1, 643519542020), (2, 321759771010), (4, 160879885505), (5, 128703908404), (10, 64351954202), (19, 33869449580), (20, 32175977101), (38, 16934724790), (76, 8467362395), (95, 6773889916), (190, 3386944958), (197, 3266596660), (307, 2096154860), (380, 1693472479), (394, 1633298330), (614, 1048077430), (788, 816649165), (985, 653319332), (1228, 524038715), (1535, 419230972), (1970, 326659666), (3070, 209615486), (3743, 171926140), (3940, 163329833), (5833, 110323940), (6140, 104807743), (7486, 85963070), (11666, 55161970), (14972, 42981535), (18715, 34385228), (23332, 27580985), (28001, 22982020), (29165, 22064788), (37430, 17192614), (56002, 11491010), (58330, 11032394), (60479, 10640380), (74860, 8596307), (112004, 5745505), (116660, 5516197), (120958, 5320190), (140005, 4596404), (241916, 2660095), (280010, 2298202), (302395, 2128076), (532019, 1209580), (560020, 1149101), (604790, 1064038)]