177542980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 396049752

約数和(自身を除く): 218506772

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 173, 194, 230, 346, 388, 460, 485, 529, 692, 865, 970, 1058, 1730, 1940, 2116, 2231, 2645, 3460, 3979, 4462, 5290, 7958, 8924, 10580, 11155, 15916, 16781, 19895, 22310, 33562, 39790, 44620, 51313, 67124, 79580, 83905, 91517, 102626, 167810, 183034, 205252, 256565, 335620, 366068, 385963, 457585, 513130, 771926, 915170, 1026260, 1543852, 1830340, 1929815, 3859630, 7719260, 8877149, 17754298, 35508596, 44385745, 88771490, 177542980]

約数ペア:

[(1, 177542980), (2, 88771490), (4, 44385745), (5, 35508596), (10, 17754298), (20, 8877149), (23, 7719260), (46, 3859630), (92, 1929815), (97, 1830340), (115, 1543852), (173, 1026260), (194, 915170), (230, 771926), (346, 513130), (388, 457585), (460, 385963), (485, 366068), (529, 335620), (692, 256565), (865, 205252), (970, 183034), (1058, 167810), (1730, 102626), (1940, 91517), (2116, 83905), (2231, 79580), (2645, 67124), (3460, 51313), (3979, 44620), (4462, 39790), (5290, 33562), (7958, 22310), (8924, 19895), (10580, 16781), (11155, 15916)]