28663460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3863}}^1$

素因数の和:3932

約数の個数: 48

約数和(自身を含む): 70108416

約数和(自身を除く): 41444956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 3863, 7420, 7726, 15452, 19315, 27041, 38630, 54082, 77260, 108164, 135205, 204739, 270410, 409478, 540820, 818956, 1023695, 1433173, 2047390, 2866346, 4094780, 5732692, 7165865, 14331730, 28663460]

約数ペア:

[(1, 28663460), (2, 14331730), (4, 7165865), (5, 5732692), (7, 4094780), (10, 2866346), (14, 2047390), (20, 1433173), (28, 1023695), (35, 818956), (53, 540820), (70, 409478), (106, 270410), (140, 204739), (212, 135205), (265, 108164), (371, 77260), (530, 54082), (742, 38630), (1060, 27041), (1484, 19315), (1855, 15452), (3710, 7726), (3863, 7420)]