1797397720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{26573}}^1$

素因数の和:26692

約数の個数: 64

約数和(自身を含む): 4304988000

約数和(自身を除く): 2507590280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 445, 712, 760, 890, 1691, 1780, 3382, 3560, 6764, 8455, 13528, 16910, 26573, 33820, 53146, 67640, 106292, 132865, 212584, 265730, 504887, 531460, 1009774, 1062920, 2019548, 2364997, 2524435, 4039096, 4729994, 5048870, 9459988, 10097740, 11824985, 18919976, 20195480, 23649970, 44934943, 47299940, 89869886, 94599880, 179739772, 224674715, 359479544, 449349430, 898698860, 1797397720]

約数ペア:

[(1, 1797397720), (2, 898698860), (4, 449349430), (5, 359479544), (8, 224674715), (10, 179739772), (19, 94599880), (20, 89869886), (38, 47299940), (40, 44934943), (76, 23649970), (89, 20195480), (95, 18919976), (152, 11824985), (178, 10097740), (190, 9459988), (356, 5048870), (380, 4729994), (445, 4039096), (712, 2524435), (760, 2364997), (890, 2019548), (1691, 1062920), (1780, 1009774), (3382, 531460), (3560, 504887), (6764, 265730), (8455, 212584), (13528, 132865), (16910, 106292), (26573, 67640), (33820, 53146)]