2009779750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{29}}^2\times {\mathrm{79}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 4337161920

約数和(自身を除く): 2327382170

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 79, 110, 121, 125, 145, 158, 242, 250, 275, 290, 319, 395, 550, 605, 638, 725, 790, 841, 869, 1210, 1375, 1450, 1595, 1682, 1738, 1975, 2291, 2750, 3025, 3190, 3509, 3625, 3950, 4205, 4345, 4582, 6050, 7018, 7250, 7975, 8410, 8690, 9251, 9559, 9875, 11455, 15125, 15950, 17545, 18502, 19118, 19750, 21025, 21725, 22910, 25201, 30250, 35090, 39875, 42050, 43450, 46255, 47795, 50402, 57275, 66439, 79750, 87725, 92510, 95590, 101761, 105125, 108625, 114550, 126005, 132878, 175450, 203522, 210250, 217250, 231275, 238975, 252010, 277211, 286375, 332195, 438625, 462550, 477950, 508805, 554422, 572750, 630025, 664390, 730829, 877250, 1017610, 1156375, 1194875, 1260050, 1386055, 1461658, 1660975, 2312750, 2389750, 2544025, 2772110, 3150125, 3321950, 3654145, 5088050, 6300250, 6930275, 7308290, 8039119, 8304875, 12720125, 13860550, 16078238, 16609750, 18270725, 25440250, 34651375, 36541450, 40195595, 69302750, 80391190, 91353625, 182707250, 200977975, 401955950, 1004889875, 2009779750]

約数ペア:

[(1, 2009779750), (2, 1004889875), (5, 401955950), (10, 200977975), (11, 182707250), (22, 91353625), (25, 80391190), (29, 69302750), (50, 40195595), (55, 36541450), (58, 34651375), (79, 25440250), (110, 18270725), (121, 16609750), (125, 16078238), (145, 13860550), (158, 12720125), (242, 8304875), (250, 8039119), (275, 7308290), (290, 6930275), (319, 6300250), (395, 5088050), (550, 3654145), (605, 3321950), (638, 3150125), (725, 2772110), (790, 2544025), (841, 2389750), (869, 2312750), (1210, 1660975), (1375, 1461658), (1450, 1386055), (1595, 1260050), (1682, 1194875), (1738, 1156375), (1975, 1017610), (2291, 877250), (2750, 730829), (3025, 664390), (3190, 630025), (3509, 572750), (3625, 554422), (3950, 508805), (4205, 477950), (4345, 462550), (4582, 438625), (6050, 332195), (7018, 286375), (7250, 277211), (7975, 252010), (8410, 238975), (8690, 231275), (9251, 217250), (9559, 210250), (9875, 203522), (11455, 175450), (15125, 132878), (15950, 126005), (17545, 114550), (18502, 108625), (19118, 105125), (19750, 101761), (21025, 95590), (21725, 92510), (22910, 87725), (25201, 79750), (30250, 66439), (35090, 57275), (39875, 50402), (42050, 47795), (43450, 46255)]