20199802748900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{2777}}^1\times {\mathrm{9137}}^1$

素因数の和:12366

約数の個数: 144

約数和(自身を含む): 46272441499200

約数和(自身を除く): 26072638750300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 419, 475, 838, 950, 1676, 1900, 2095, 2777, 4190, 5554, 7961, 8380, 9137, 10475, 11108, 13885, 15922, 18274, 20950, 27770, 31844, 36548, 39805, 41900, 45685, 52763, 55540, 69425, 79610, 91370, 105526, 138850, 159220, 173603, 182740, 199025, 211052, 228425, 263815, 277700, 347206, 398050, 456850, 527630, 694412, 796100, 868015, 913700, 1055260, 1163563, 1319075, 1736030, 2327126, 2638150, 3472060, 3828403, 4340075, 4654252, 5276300, 5817815, 7656806, 8680150, 11635630, 15313612, 17360300, 19142015, 22107697, 23271260, 25373449, 29089075, 38284030, 44215394, 50746898, 58178150, 72739657, 76568060, 88430788, 95710075, 101493796, 110538485, 116356300, 126867245, 145479314, 191420150, 221076970, 253734490, 290958628, 363698285, 382840300, 442153940, 482095531, 507468980, 552692425, 634336225, 727396570, 964191062, 1105384850, 1268672450, 1454793140, 1818491425, 1928382124, 2210769700, 2410477655, 2537344900, 3636982850, 4820955310, 7273965700, 9641910620, 10631475131, 12052388275, 21262950262, 24104776550, 42525900524, 48209553100, 53157375655, 106314751310, 201998027489, 212629502620, 265786878275, 403996054978, 531573756550, 807992109956, 1009990137445, 1063147513100, 2019980274890, 4039960549780, 5049950687225, 10099901374450, 20199802748900]

約数ペア:

[(1, 20199802748900), (2, 10099901374450), (4, 5049950687225), (5, 4039960549780), (10, 2019980274890), (19, 1063147513100), (20, 1009990137445), (25, 807992109956), (38, 531573756550), (50, 403996054978), (76, 265786878275), (95, 212629502620), (100, 201998027489), (190, 106314751310), (380, 53157375655), (419, 48209553100), (475, 42525900524), (838, 24104776550), (950, 21262950262), (1676, 12052388275), (1900, 10631475131), (2095, 9641910620), (2777, 7273965700), (4190, 4820955310), (5554, 3636982850), (7961, 2537344900), (8380, 2410477655), (9137, 2210769700), (10475, 1928382124), (11108, 1818491425), (13885, 1454793140), (15922, 1268672450), (18274, 1105384850), (20950, 964191062), (27770, 727396570), (31844, 634336225), (36548, 552692425), (39805, 507468980), (41900, 482095531), (45685, 442153940), (52763, 382840300), (55540, 363698285), (69425, 290958628), (79610, 253734490), (91370, 221076970), (105526, 191420150), (138850, 145479314), (159220, 126867245), (173603, 116356300), (182740, 110538485), (199025, 101493796), (211052, 95710075), (228425, 88430788), (263815, 76568060), (277700, 72739657), (347206, 58178150), (398050, 50746898), (456850, 44215394), (527630, 38284030), (694412, 29089075), (796100, 25373449), (868015, 23271260), (913700, 22107697), (1055260, 19142015), (1163563, 17360300), (1319075, 15313612), (1736030, 11635630), (2327126, 8680150), (2638150, 7656806), (3472060, 5817815), (3828403, 5276300), (4340075, 4654252)]