198275780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{1873}}^1$

素因数の和:2028

約数の個数: 48

約数和(自身を含む): 428171520

約数和(自身を除く): 229895740

約数列:

[1, 2, 4, 5, 10, 20, 67, 79, 134, 158, 268, 316, 335, 395, 670, 790, 1340, 1580, 1873, 3746, 5293, 7492, 9365, 10586, 18730, 21172, 26465, 37460, 52930, 105860, 125491, 147967, 250982, 295934, 501964, 591868, 627455, 739835, 1254910, 1479670, 2509820, 2959340, 9913789, 19827578, 39655156, 49568945, 99137890, 198275780]

約数ペア:

[(1, 198275780), (2, 99137890), (4, 49568945), (5, 39655156), (10, 19827578), (20, 9913789), (67, 2959340), (79, 2509820), (134, 1479670), (158, 1254910), (268, 739835), (316, 627455), (335, 591868), (395, 501964), (670, 295934), (790, 250982), (1340, 147967), (1580, 125491), (1873, 105860), (3746, 52930), (5293, 37460), (7492, 26465), (9365, 21172), (10586, 18730)]