42180918100

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{43481}}^1$

素因数の和:43693

約数の個数: 72

約数和(自身を含む): 93412380600

約数和(自身を除く): 51231462500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 109, 178, 218, 356, 436, 445, 545, 890, 1090, 1780, 2180, 2225, 2725, 4450, 5450, 8900, 9701, 10900, 19402, 38804, 43481, 48505, 86962, 97010, 173924, 194020, 217405, 242525, 434810, 485050, 869620, 970100, 1087025, 2174050, 3869809, 4348100, 4739429, 7739618, 9478858, 15479236, 18957716, 19349045, 23697145, 38698090, 47394290, 77396180, 94788580, 96745225, 118485725, 193490450, 236971450, 386980900, 421809181, 473942900, 843618362, 1687236724, 2109045905, 4218091810, 8436183620, 10545229525, 21090459050, 42180918100]

約数ペア:

[(1, 42180918100), (2, 21090459050), (4, 10545229525), (5, 8436183620), (10, 4218091810), (20, 2109045905), (25, 1687236724), (50, 843618362), (89, 473942900), (100, 421809181), (109, 386980900), (178, 236971450), (218, 193490450), (356, 118485725), (436, 96745225), (445, 94788580), (545, 77396180), (890, 47394290), (1090, 38698090), (1780, 23697145), (2180, 19349045), (2225, 18957716), (2725, 15479236), (4450, 9478858), (5450, 7739618), (8900, 4739429), (9701, 4348100), (10900, 3869809), (19402, 2174050), (38804, 1087025), (43481, 970100), (48505, 869620), (86962, 485050), (97010, 434810), (173924, 242525), (194020, 217405)]